Hiroshi Sugeno

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-strength carbonaceous fiber
- Patent number 4,671,950
- Issue date Jun 9, 1987
- Toho Beslon Co., Ltd.
- Hiroyasu Ogawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING