Fajie YANG

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Beijing, CN

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Patents Applicationslast 30 patents

Information Patent Application
PERFLUORO PHOSPHATE-TYPE GAS PIPELINE DRAG-REDUCING AGENT AND METHO...
- Publication number 20160305612
- Publication date Oct 20, 2016
- Petrochina Company Limited
- Zhiheng ZHANG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...