The present application claims the priority of China Patent Application No. 201911417664.7 filed on Dec. 31, 2019, entitled “Aerial Rail Container Transportation Method” and China Patent Application No. 201911423648.9, filed on Dec. 31, 2019, entitled “vehicle frame and aerial transportation vehicle”, which are incorporated herein by reference with their entirety.
The disclosure belongs to the field of logistics and transportation, and in particular, to a vehicle frame, aerial transportation vehicle, and aerial rail container transportation method.
At present, China's port collection and distribution system mainly relies on road transportation (up to 84%). However, the road transportation involves high pollution to environment, high transportation cost, and especially the connection for the last kilometer to the container port has become a primary problem in the development of comprehensive transportation system in China.
In order to solve the above technical problems, aerial rail transportation equipment applied to port container logistics has appeared. The aerial rail transportation line may span road, river, factory, etc. to solve the problem of the last kilometer transportation of containers.
In the process of implementing the disclosure, the applicant found that there are at least the following shortages in the existing aerial rail transportation of containers.
In the prior art, the container is firstly lifted through a ground jacking device to connect and assemble to a vehicle body of an aerial transportation vehicle, which requires an external jacking device to achieve the connection and assembly of the container and the vehicle body. In operation, a jacking device needs to be moved to a fixed position for connection to the vehicle body. Then the container is hoisted to the jacking device, and then the jacking device is operated to connect and assemble the container to the vehicle body. After the connection and assembly of all the containers to the vehicle body are completed, it is necessary to remove the jacking device. The operating process is very cumbersome.
To address the problems in the prior art, the disclosure provides a vehicle frame, an aerial transportation vehicle including the vehicle frame and an aerial rail container transportation method using the aerial transportation vehicle to solve the problem in the prior art that the operating process of aerial rail transportation of container is cumbersome.
In one aspect of the disclosure, a vehicle frame is provided including: an upper vehicle frame; a lower vehicle frame; a lifting assembly, at least two lifting assemblies being disposed opposite to each other in a first direction, the lower vehicle frame and the upper vehicle frame being able to move close to or away from each other by operating the at least two lifting assemblies; a locking device disposed on the lower vehicle frame, the lower vehicle frame and the upper vehicle frame being able to be locked with each other by operating the locking device when the lower vehicle frame and the upper vehicle frame are close to each other; and a guide device, the guide device being disposed on the lower vehicle frame, containers of different specifications being able to be quickly assembled and connected with the lower vehicle frame by operating the guide device when the lower vehicle frame and the upper vehicle frame are separated from each other.
In some embodiments, each lifting assembly may include a lifting motor, a wire rope, and a movable pulley; and two lifting motors are disposed opposite to each other in a second direction, the two lifting motors both being fixedly provided on the upper vehicle frame, and the second direction being perpendicular to the first direction. The movable pulley and the lifting motor are provided correspondingly in one-to-one relation, and two movable pulleys are rotatably disposed on the lower vehicle frame in the second direction. The wire rope and the lifting motor as well as the movable pulley are provided correspondingly in one-to-one relation, and the wire rope have a first end and a second end. The first end of the wire rope is wound on an output end of a corresponding lifting motor, and the second end of the wire rope is wound on a corresponding movable pulley.
In some embodiments, each lifting assembly includes two fixed pulleys corresponding to the wire rope. The two fixed pulleys are disposed opposite to each other in the second direction and between the two lifting motors, and the two fixed pulleys are both rotatably disposed on the upper vehicle frame. The second ends of the two wire ropes respectively pass around corresponding movable pulleys and corresponding fixed pulleys sequentially and the second ends of the two wire ropes are joined together.
In some embodiments, a tension sensor may be provided on the two wire ropes joined together, and the tension sensor may be disposed between the two fixed pulleys.
In some embodiments, an output shaft of each of the lifting motors may be fixedly provided with a reel, and the first end of the wire rope is wound around the reel of a corresponding lifting motor.
In some embodiments, the locking device may include a rotary pin; a locking head, fixedly provided on a head of the rotary pin; a rotary handle fixedly disposed on the bottom of the rotary pin, and the rotary handle is formed with a first limit face and a second limit face spaced apart from each other on its periphery; a lifting pin, a central axis of the lifting pin and a central axis of the rotary pin being parallel with each other, the lifting pin operably moving up and down along the central axis of the lifting pin, and the lifting pin being provided with a support protrusion thereon; a limit block fixedly provided on the bottom of the lifting pin, the limit block being operably engaged with the first limit face or the second limit face; a reset spring, the reset spring being fitted on the lifting pin, and the reset spring being disposed between the support protrusion and the limit block; a driving mechanism, an output end of the driving mechanism being connected to the rotary handle, and the rotary handle being able to be rotated by operating the driving mechanism. The upper vehicle frame may include a first cover plate, the first cover plate being located at the bottom of the upper vehicle frame, the first cover plate being formed with a lock hole, the locking head of the locking device being rotatable in the lock hole, The lower vehicle frame may include a second cover plate and a partition spaced apart from each other, and the second cover plate and the partition are fixedly connected to each other. The second cover plate may be located at the top of the lower vehicle frame, and the partition may be located below the second cover plate. Each of the second cover plate and the partition may be formed with a first through hole corresponding to the rotary pin of the locking device, and the rotary pin may be fixedly passing through corresponding first through holes in the second cover plate and the partition. The rotary handle may be located below the partition. The second cover plate and the partition each may be formed with a second through hole corresponding to the lifting pin of the locking device. The lifting pin may be extendable and retractable in the second through holes in the second cover plate and the partition, and the reset spring may be disposed between the support protrusion and the partition.
In some embodiments, a locking seat and a carrying table may be provided separately on the rotary pin, and the locking seat and the carrying table are sequentially disposed between the locking head and the rotary handle. A first gap may be formed between the locking head and the locking seat, and the second cover plate is clamped in the first gap. A second gap may be formed between the carrying table and the rotary handle, the partition being clamped in the second gap, and the locking seat and the carrying table are fitted with each other with spherical surfaces.
In some embodiments, the locking device may further include a sleeve, and the sleeve is fixedly disposed at the bottom of the partition. The lifting pin is extendable and retractable in the sleeve, and the limit block may be located under the sleeve.
In some embodiments, the lower vehicle frame may include a second longitudinal beam, a third cross beam and a fourth cross beam. Central portions of the third cross beam and the fourth cross beam are fixed on the second longitudinal beam, and there may be two third cross beams and two fourth cross beams opposite to each other. The two fourth cross beams may be located at two ends of the second longitudinal beam, and the two third cross beams may be located between the two fourth cross beams. The guide device may include a first guide plate, a second guide plate, and a third guide plate. The third cross beams and the fourth cross beams each may be provided with the first guide plates opposite to each other at two ends thereof, and the two first guide plates on each of the third cross beams and the fourth cross beams may be disposed transversely. The guide surfaces of the two first guide plates on each of the third cross beams and the fourth cross beams may face each other. Each of the third cross beams may be provided with the second guide plate, and the second guide plates on two third cross beams are opposite to each other along the longitudinal direction. The guide surfaces of the second guide plates on two third cross beams may face each other, and the second guide plate may be foldably connected to the third cross beam. There are two third guide plates, and the two third guide plates may be disposed at two ends of the second longitudinal beam and are opposite to each other. The guide surfaces of the two third guide plates may face each other, and the third guide plate is extendable and retractable in a length direction of the second longitudinal beam.
In another aspect of the disclosure, an aerial transportation vehicle is provided comprising a vehicle frame mentioned in the disclosure.
In a yet aspect of the disclosure, an aerial rail container transportation method is provide, which is implemented with the aerial transportation vehicle mentioned in the disclosure. The method may comprise: the aerial transportation vehicle being free of load and running to a certain position and stopping, so that the container is located directly below the aerial transportation vehicle; operating the lifting assembly to separate the upper vehicle frame from the lower vehicle frame and lowering the lower vehicle frame to a preset height; completing a locking of the lower vehicle frame with the container; operating the lifting assembly to make the lower vehicle frame and the container rise as a whole; operating the locking device to lock the upper vehicle frame and the lower vehicle frame; and the aerial transportation vehicle being started for transportation after the container assembly process is completed.
The beneficial effects of the disclosure includes at least:
according to the aerial transportation vehicle including the vehicle frame in some embodiments of the disclosure, the upper vehicle frame of the vehicle frame may be hung on the aerial rail by a bogie, and the lower vehicle frame is used for assembly of the container. The lower vehicle frame and the upper vehicle frame can move close to or away from each other by operating at least two lifting assemblies. When the lower vehicle frame and the upper vehicle frame are in a separated state, the container is hoisted to the lower vehicle frame; then when the lower vehicle frame and the upper vehicle frame are close to each other, the locking device is operated to lock the lower vehicle frame and the upper vehicle frame together, thereby achieving assembly and connection of the container with the aerial container transportation vehicle. If the container is to be unloaded, an opposite operation may be conducted. According to the aerial rail container transportation method by virtue of the aerial transportation vehicle of some embodiments of the disclosure, a fast assembly and connection of the aerial transportation vehicle and the container can be made by the devices of the vehicle itself, which is simple in operation, and has a high degree of automation and good practicality.
In order to more clearly illustrate the technical solutions in the embodiments of the disclosure, the drawings used in the description of the embodiments will be briefly introduced in the following. Apparently, the drawings in the following description are simply some embodiments of the disclosure. For those skilled in the art, it is also possible to obtain other drawings according to these drawings without paying creative labor.
The technical solution in the embodiments of the disclosure will be described in conjunction with the drawings in the embodiments of the disclosure. Obviously, the described embodiments are merely some of the embodiments of the disclosure, not all of the embodiments. Other embodiments obtained by one of ordinary skill in the art without inventive labor based on the embodiments in the disclosure are all within the scope of protection of the disclosure.
According to embodiments of the disclosure an aerial transportation vehicle is provided including a vehicle frame to solve the technical problem that the operation for assembly and connection of the container to the vehicle body of the aerial transportation vehicle in the prior art is cumbersome.
According to embodiments of the disclosure, a vehicle frame, an aerial transportation vehicle including the vehicle frame, and an aerial rail container transportation method by using the aerial transportation vehicle are provided to solve the technical problem that the operation for assembly and connection of the container to the vehicle body of the aerial transportation vehicle in the prior art is cumbersome.
In some embodiments of the disclosure, the bogie 1 may be a non-power bogie, which can reduce a weight of the vehicle without affecting the traveling of the vehicle frame in comparison with a bogie having a driving function.
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In some embodiments of the disclosure, the first direction may be the length direction of the container.
In some embodiments of the disclosure, the second direction may be in a width direction of the container, and there may be two lifting assemblies a disposed opposite to each other.
In some embodiments of the disclosure, the lower vehicle frame 4 and the upper vehicle frame 3 may be fixedly connected or separated by operating the at least two lifting assemblies a, and thus achieving assembly and connection of the vehicle body of an aerial rail container transportation equipment and the container. The specific operations are: the output end of the lifting motor 5 is controlled to be rotated, so that the wire rope 6 of the same assembly is elongated, thereby lowering the movable pulley 7 of the same assembly to drive the lower vehicle frame 4 to a preset height. After completing the assembly of the container with the lower vehicle frame 4, the output end of the lifting motor 5 may be controlled to rotate in a reverse direction, which enables the wire rope 6 of the same assembly to rise, and thus the movable pulley 7 of the same assembly rises, thereby driving the lower vehicle frame 4 assembled with the container to rise. After the upper vehicle frame and the lower vehicle frame 4 are locked, the assembly and connection of the vehicle frame and the container are completed accordingly. For unloading the container, only contrary operations are needed.
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In some embodiments of the disclosure, the reel 10 can have a reduction box therein, which can reduce a speed of the reel 10, so that a lifting and lowering speed of the lower vehicle frame 4 may be reduced to improve the stability in lifting and lowering the lower vehicle frame 4.
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In some embodiments of the disclosure, two support plates 11.1 and one connection plate 11.2 constituting the reel holder 11 may be integrally formed to improve the strength of the reel holder 11.
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In some embodiments of the disclosure, the brake member 14 may also be provided on the upper vehicle frame 3, and a brake motor can be selected as the brake member 14. In some embodiments of the disclosure, other types of brake devices can also be selected, and the disclosure does not limit this.
In some embodiments of the disclosure, the mounting plate 13 for mounting the reel holder 11 may be disposed on an end of the first cross beam 3.2, and two fixed pulleys 8 of each lifting assembly a may be rotatably provided on the first cross beam 3.2 by respective brackets, and the two movable pulleys 7 of each lifting assembly a may be rotatably provided on the second cross beam 4.2 by respective brackets.
In some embodiments of the disclosure, both a bottom of the upper vehicle frame 3 and a top of the lower vehicle frame 4 may be formed with a through hole corresponding to the wire rope 6 to pass the wire rope 6. The disclosure does not limit the shape of the through hole for passing the wire rope 6.
In some embodiments of the disclosure, a locking device b may be included, and the locking device b may be provided on the lower vehicle frame 4. When the lower vehicle frame 4 and the upper vehicle frame 3 move close to each other, the lower vehicle frame and the upper vehicle frame can be locked to each other by operating the locking device.
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In some embodiments of the disclosure, the driving assembly can primarily comprise a driving mechanism c, and an output end of the driving mechanism c can be connected to the rotary handle 20. The rotary handle 20 can be driven to rotate by operating the driving mechanism c.
In some embodiments of the disclosure, when the upper vehicle frame 3 and the lower vehicle frame 4 are needed to be locked, the lower vehicle frame 4 can be controlled to rise by the lifting assembly a, so that the locking head 19 of the rotary pin 18 on the lower vehicle frame 4 can pass through the corresponding lock hole 24 on the upper vehicle frame 3. At this time, the lifting pin 21 is pressed by the upper vehicle frame 3, and the limit block 22 is pressed synchronously, so that the rotary handle 20 on the lower vehicle frame 4 is unlocked. At this time, the reset spring 23 is in a compressed state. The driving mechanism c is operated to drive the rotary handle 20 to rotate a certain angle, and in turn, the locking head 19 also rotates a certain angle, so that the locking head 19 cannot drop off from the lock hole 24 of the upper vehicle frame 3. Then the lower vehicle frame 4 is controlled by the lifting assembly a to be lowered by a small height, and then the reset spring 23 is reset to drive the lifting pin 21 and the limit block 22 to be reset. At this time, the limit block 22 engages the rotary handle 20 so that the rotary handle 20 is mechanically caught by the limit block 22, and thus the upper vehicle frame 3 and the lower vehicle frame 4 are firmly locked. In some embodiments of the disclosure, only contrary operations are needed to separate the upper vehicle frame 3 from the lower vehicle frame 4.
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In some embodiments of the disclosure, the locking seat 27 and the carrying table 28 have spherical fit therebetween, that is, the rotary pin 18 is divided into two portions: a first portion is above the locking seat 27 and the carrying table 28 is the second portion. The first portion may be connected with the second cover plate 16 through the first gap between the locking head 19 and the locking seat 27, and the second portion may be connected with the partition 17 through the second gap between the carrying table 28 and the rotary handle 20. At the same time, the locking seat 27 and the carrying table 28 have spherical fit therebetween, that is, the first portion and the second portion can have spherical fit, so that the first portion can float relative to the second portion to adapt to the impact generated when the upper vehicle frame and the lower vehicle frame 4 are locked, which has good practicability.
In some embodiments of the disclosure, the bottom of the locking seat 27 may have a spherical concave surface, and the top of the carrying table 28 may has a spherical convex surface. In some embodiments of the disclosure, a contrary configuration can be used, which is not limited in the disclosure.
In some embodiments of the disclosure, the first through hole 54 in the second cover plate 16 for passing the rotary pin 18 may be a waist shape hole to enable the first portion to have a conical swing in the first through hole 54.
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In some embodiments of the disclosure, the first positioning block 29 may take the form of a transverse bolt or cotter pin, etc., but the disclosure is not limited to this.
In some embodiments of the disclosure, the first limit face 20.1 and the second limit face 20.2 apart from each other on the periphery of the rotary handle 20 may be in the form of a groove, and when the limit block 22 is located in the groove, the rotary handle can be restricted from rotation.
In some embodiments of the disclosure, the first cover plate 15 of the upper vehicle frame 3 may also be formed with a third through hole for passing the head of the lifting pin and thus guiding the movement of the lifting pin 21.
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In some embodiments of the disclosure, the second positioning block 31 may take the form of a transverse bolt or cotter pin, etc., and the disclosure is not limited to this.
In some embodiments of the disclosure, the driving mechanism c can drive the rotary handle 20 to rotate by an angle of 90°. In some embodiments of the disclosure, the angle may be set to other angles, which is not limited in the disclosure.
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In some embodiments of the disclosure, two guide plates 37 may be further provided, which are fixedly disposed opposite to each other, and the third link 35 can movably pass through the two guide plates 37, so that the third link 35 can make a linear motion, and thus the fourth link 36 and second link 22 can be miniaturized to optimize the configuration of the lower vehicle frame 4.
In some embodiments of the disclosure, the guide plate 37 may be fixed to the second cover plate 16 and the partition 17 of the lower vehicle frame 4; and the driving member 32 may be fixed on a fixed base 38, and the fixed base 38 may be fixedly provided at the bottom of the second cover plate 16 of the lower vehicle frame 4.
In some embodiments of the disclosure, the driving member can use a servo linear actuator, or other mechanism, such as a hydraulic cylinder, and the disclosure is not limited to this.
In some embodiments of the disclosure, the lower vehicle frame 4 may be provided with a position sensor 22 corresponding to the limit block 22 in one to one relation. When the limit block 22 is lowered to a pre-set position, it can be sensed by a position sensor corresponding to it, and thus the driving member is controlled to work, thereby realizing automatic operation.
In some embodiments of the disclosure, each second cross beam 4.2 may be provided with a locking device b therein, and the driving member of the locking device b can extend and retract in a widthwise direction.
In some embodiments of the disclosure, after a lower vehicle frame 4 and an upper vehicle frame 3 are separated, it is necessary to quickly assemble and connect the lower vehicle frame 4 and the container. In order to achieve fast assembly and connection of the container of different specifications with the lower vehicle frame 4, in some embodiments of the disclosure, the vehicle frame may further comprise a guide device d.
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In some embodiments of the disclosure, the spacing between the two first guide plates 39 on each of the second and third cross beams 4.3 and 4.4 can be set as the same as the width of the container.
In some embodiments of the disclosure, the first guide plate 39 may be connected to an end of the third cross beam 4.3 or the fourth cross beams 4.4 by integral forming or welding technique, which is not limited in the disclosure.
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In some embodiments of the disclosure, the second guide plate 40 may be foldably connected to the third cross beam 4.3 by a folding assembly.
In some embodiments of the disclosure, when the first driving member 42 does not work, the second guide plate 40 can be placed in a vertical state to control the output end 7 of the second driving member 7 to extend. The fifth link 43 and the sixth link 44 can drive the connection shaft 45 to rotate, and in turn bring the second guide plate 40 to be folded toward an inner side of the first cross beam. When the second guide plate 40 is in a horizontal state, the first driving member 42 is stopped. That is, in some embodiments of the disclosure, the second guide plate 40 can be driven to be in a vertical or horizontal state by the first driving member 42.
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In some embodiments of the disclosure, a distance between the two second guide plates 40 in a horizontal state may be coincident with the longitudinal dimension of a 20 ft container to guide the 20 ft container in its longitudinal direction.
In some embodiments of the disclosure, there may be four second guide plates 40; that is, each of the third cross beams 4.3 may be provided with two second guide plates 40, and the two second guide plates 40 on each third cross beam 4.3 may be located on two sides of the second longitudinal beam 4.1 respectively. That is, four guide plates in a square arrangement are used to guide a 20 ft container in its longitudinal direction.
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In some embodiments of the disclosure, in an initial state, the distance between the two third guide plates 41 may be coincident with the longitudinal dimension of a 40 ft container to guide the 40 ft container in its longitudinal direction. The third guide plates 41 can be controlled to make the distance between the two third guide plates 41 to be coincident with the longitudinal dimension of a 45 ft container to guide the 45 ft container in its longitudinal direction.
In some embodiments of the disclosure, the third guide plate may extend or retract in the longitudinal direction of the longitudinal beam.
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In some embodiments of the disclosure, a slide slot may be formed on an inner bottom wall of the second longitudinal beam 4.1. The connection beam 4 may be slidably provided in the slide slot so that the connection beams 4 can be guided for movement.
In some embodiments of the disclosure, more of the third guide plates 41 may be provided. Considering space limitations, two third guide plates are preferably in the disclosure.
In some embodiments of the disclosure, a first driving member 42 and the second driving member 48 may select servo linear actuator. In some embodiments of the disclosure, the first driving member 42 and the second driving member 48 may also use other types of reciprocating linear motion, such as a motor or a cylinder and the like. The disclosure does not limit this.
In some embodiments of the disclosure, the guide surfaces of the first guide plate 39, the second guide plate 40 and the third guide plate 41 may all be slanted surfaces, so that the lower vehicle frame 4 and the container may have a deviation within a certain range in a horizontal direction to facilitate the assembly of the lower vehicle frame and the container.
From the above, in some embodiments of the disclosure, the folding of the second guide plate and the extension or retraction of the third guide plate are controlled to adapt to the assembly of the containers of different specifications and the lower vehicle frame 4, which is convenient and fast and has good versatility and practicality.
In some embodiments of the disclosure, the lower vehicle frame 4 and the container can be assembled and connected by a locking assembly. The locking assembly is the same as that used when a container is connected to an aerial vehicle by jacking equipment in the prior art, which is not limited in the disclosure.
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In some embodiments of the disclosure, the specific structure of the container anti-falling device may be the same as that disclosed in the application No. “201811638159.0”, entitled “Container anti-falling Device”, which will not be described in the disclosure.
Based on the above-described aerial transportation vehicle, in some embodiments of the disclosure, an aerial rail container transportation method is also provided.
S1: The aerial transportation vehicle being free of load and running to a predetermined position and stopping, at this time, the container is located directly below the vehicle;
S2: Operating the lift assembly a to separate the upper vehicle frame 3 from the lower vehicle frame 4 and lower down the lower vehicle frame 4 to a preset height;
S3: Completing the locking of the lower vehicle frame 4 and the container;
S4: Operating the lift assembly a to make the lower vehicle frame 4 and the container to rise as a whole;
S5: Operating the locking device b to lock the upper vehicle frame 3 and the lower vehicle frame 4 together;
S6: starting the aerial transportation vehicle for transportation after the assembly process of container is completed.
It is to be noted that in some embodiments of the disclosure, the container may be transported and placed directly below the vehicle by a container truck, an AGV vehicle, and a platform such as the ground, and the lower vehicle frame is lowered down to a preset height which is slightly higher than the top of the container.
In summary, in some embodiments of the disclosure, the aerial transportation vehicles and transportation methods can achieve fast assembly and connection of aerial transportation vehicles with containers through its own devices, which is simple in operation, and has high automation level and good practicability.
The embodiments described above are preferred embodiments of the disclosure, which are only used to facilitate the description of the disclosure rather than limiting the disclosure. Any equivalent embodiments obtained by those of ordinary skill in the art by partially modifying or changing the embodiments of the disclosure based on the content of the disclosure without departing from the technical features of the disclosure all fall within the scope of the disclosure.
Number | Date | Country | Kind |
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201911417664.7 | Dec 2019 | CN | national |
201911423648.9 | Dec 2019 | CN | national |
Filing Document | Filing Date | Country | Kind |
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PCT/CN2020/105224 | 7/28/2020 | WO | 00 |