Decheng LIU

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Packaging device with zipper opener arrangement and hole pressing a...
- Patent number 10,071,830
- Issue date Sep 11, 2018
- Decheng Liu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Packaging Device with Zipper Opener Arrangement and Hole Pressing A...
- Publication number 20160355301
- Publication date Dec 8, 2016
- Qingdao YiLong Packaging Machinery Co., Ltd.
- Decheng LIU
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL