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Screw-driven control system
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Patent number 11,214,981
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Issue date Jan 4, 2022
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Nanjing Kangni Mechanical & Electrical Co., Ltd.
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Xiang Shi
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Double sliding-plug door system
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Patent number 10,711,509
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Issue date Jul 14, 2020
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NANJING KANGNI MECHANICAL & ELECTRICAL CO., LTD.
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Xiang Shi
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Helical locking mechanism for doors
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Patent number 8,291,783
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Issue date Oct 23, 2012
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Nanjing Kangni Mechanical & Electrical Co., Ltd.
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Xiang Shi
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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86521981 - KI KANGNI
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Serial number 86521981
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Registration number 4879883
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Filing date Feb 2, 2015
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Nanjing Kangni Mechanical & Electrical Co., Ltd.
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12 - Vehicles
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85953200 - KI KANGNI
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Serial number 85953200
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Filing date Jun 6, 2013
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Nanjing Kangni Mechanical & Electrical Co., Ltd.
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12 - Vehicles
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85953199 - KI KANGNI
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Serial number 85953199
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Registration number 4704513
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Filing date Jun 6, 2013
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Nanjing Kangni Mechanical & Electrical Co., Ltd.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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85953195 - KI KANGNI
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Serial number 85953195
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Registration number 4704512
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Filing date Jun 6, 2013
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Nanjing Kangni Mechanical & Electrical Co., Ltd.
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6 - Common metals and their alloys