Zhigang Wang

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Dongguan, CN

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Patents Applicationslast 30 patents

Information Patent Application
VACUUM STORAGE BAG WITH EXHAUST VALVE AND PRESSURE-SEALING ZIPPER
- Publication number 20140353203
- Publication date Dec 4, 2014
- BIGLAND ELECTRIC APPLIANCE CO,LTD
- Zhihe Hu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL