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Jun Yamaguchi
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Nobeoka, JP
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last 30 patents
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Patent Grant
Process for preparation of polyparaphenylene terephthalamide fibers
Patent number
4,728,473
Issue date
Mar 1, 1988
Asahi Kasei Kogyo Kabushiki Kaisha
Eiji Satoh
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING