Masakazu Ataka

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carbon fiber chopped strands and method of production thereof
- Patent number 5,227,238
- Issue date Jul 13, 1993
- Toho Rayon Co., Ltd.
- Minoru Hirai
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING