John ZHANG

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Shanghai, KR

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Patents Applicationslast 30 patents

Information Patent Application
A POLYESTER POLYURETHANE MATERIAL WITH LONG TERM HYDROLYSIS RESISTANCE
- Publication number 20150322196
- Publication date Nov 12, 2015
- Bayer MaterialScience AG
- Hartmut NEFZGER
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...