Yoshinobu Shiraishi

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Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Acrylonitrile spinning solution and process for producing fibers th...
- Patent number 4,831,069
- Issue date May 16, 1989
- Mitsubishi Rayon Co., Ltd.
- Teruhiko Sugimori
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING