Akira Amamiya

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for mixing raw materials for producing oxymethylene copolymers
- Patent number 4,224,435
- Issue date Sep 23, 1980
- Mitsubishi Gas Chemical Company, Inc.
- Akitoshi Sugio
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...