Hiroshi Ishii

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Patents Grantslast 30 patents

Information Patent Grant
Fibrous material-based friction member
- Patent number 4,657,951
- Issue date Apr 14, 1987
- Shin-Etsu Chemical Co, Ltd.
- Mitsuhiro Takarada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...