Hisashi Takeda

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Chiba-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing open-cell structure of vinyl chloride resin
- Patent number 4,430,136
- Issue date Feb 7, 1984
- Lonseal Corporation
- Toshio Tsuchiya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...