Akira Tomohiro

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Patents Grantslast 30 patents

Information Patent Grant
Sparingly gas-permeable synthetic resin compositions
- Patent number 4,013,610
- Issue date Mar 22, 1977
- Takeda Chemical Industries, Ltd.
- Akira Tomohiro
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...