Isamu Nakagawa

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aromatic polysulfone resin composition suitable for use in self-lub...
- Patent number 4,477,630
- Issue date Oct 16, 1984
- Sumitomo Chemical Company, Limited
- Teruo Saito
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...