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Tadasu Yagi
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Shizuoka, JP
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last 30 patents
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Patent Grant
Method for producing carbon fibers from acrylonitrile fiber strands
Patent number
4,869,856
Issue date
Sep 26, 1989
Toho Rayon Co., Ltd.
Hayashi Takahashi
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING