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Heavy oil emulsion fuel composition
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Patent number 5,437,693
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Issue date Aug 1, 1995
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Kao Corporation
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Masanori Iizuka
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Cement additive
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Patent number 5,137,577
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Issue date Aug 11, 1992
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Kao Corporation
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Masanori Iizuka
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Cement admixture
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Patent number 4,586,960
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Issue date May 6, 1986
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Kao Corporation
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Masanori Iizuka
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES