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High-strength carbonaceous fiber
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Patent number 4,671,950
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Issue date Jun 9, 1987
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Toho Beslon Co., Ltd.
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Hiroyasu Ogawa
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Activated carbon fiber spun yarn
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Patent number 4,520,623
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Issue date Jun 4, 1985
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Toho Beslon Co., Ltd.
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Hiroyasu Ogawa
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Brake lining material
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Patent number 4,259,397
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Issue date Mar 31, 1981
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Toho Beslon Co., Ltd.
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Kazuhisa Saito
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Insole and method of producing the same
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Patent number 4,231,169
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Issue date Nov 4, 1980
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Toho Beslon Co., Ltd.
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Takashi Toyama
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Tobacco smoke filter
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Patent number 4,195,649
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Issue date Apr 1, 1980
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Toho Beslon Co., Ltd.
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Katsuichi Noguchi
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES