Yongwen CHEN

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Guangdong, CN

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Patents Applicationslast 30 patents

Information Patent Application
GLASS FIBER REINFORCED POLYCARBONATE COMPOSITE MATERIAL, PREPARATIO...
- Publication number 20220325098
- Publication date Oct 13, 2022
- KINGFA SCI. & TECH. CO., LTD.
- Yin CEN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYCARBONATE COMPOSITION, PREPARATION METHOD AND APPLICATION THEREOF
- Publication number 20220073736
- Publication date Mar 10, 2022
- KINGFA SCI. & TECH. CO., LTD.
- Yin CEN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...