Alan E. Wang

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Shanghai, CH

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Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PREPARING A POLYURETHANE UREA POLISHING PAD
- Publication number 20080139684
- Publication date Jun 12, 2008
- PPG INDUSTRIES OHIO, INC.
- Robert G. Swisher
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...