Junbo Zhang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Rescue device for leakage of dangerous chemicals
- Patent number 8,448,658
- Issue date May 28, 2013
- Beijing Tianqing Chemicals Co, Ltd.
- Yuechun Jin
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
LEAKAGE SELF-RESCUE CONTAINER FOR STOCKING DANAGEROUS CHEMICALS
- Publication number 20110308976
- Publication date Dec 22, 2011
- Yuechun Jin
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Rescue Device for Leakage of Dangerous Chemicals (as amended)
- Publication number 20110297242
- Publication date Dec 8, 2011
- Yuechun Jin
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL