Isao Takano

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-hardness rubber composition
- Patent number 4,946,888
- Issue date Aug 7, 1990
- Sumitomo Chemical Company Limited
- Keisaku Yamamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...