Pichang WEI

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Changchun, CN

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Patents Grantslast 30 patents

Information Patent Grant
Methods and compositions for decreasing carbon emissions
- Patent number 8,192,511
- Issue date Jun 5, 2012
- Pichang Wei
- C06 - EXPLOSIVES MATCHES

Patents Applicationslast 30 patents

Information Patent Application
METHODS AND COMPOSITIONS FOR DECREASING CARBON EMISSIONS
- Publication number 20090320728
- Publication date Dec 31, 2009
- Pichang WEI
- C06 - EXPLOSIVES MATCHES