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Flexible carbon material
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Patent number 4,759,977
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Issue date Jul 26, 1988
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Kureha Kagaku Kogyo Kabushiki Kaisha
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Hiroyuki Fukuda
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Reinforced flexible graphite sheet
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Patent number 4,729,910
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Issue date Mar 8, 1988
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Kureha Kagaku Kogyo Kabushiki Kaisha
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Hiroyuki Fukuda
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Decoking apparatus
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Patent number 4,224,108
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Issue date Sep 23, 1980
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Kureha Kagaku Kogyo Kabushiki Kaisha
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Hisao Takahashi
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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