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Composition for lubricating oil
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Patent number 5,279,752
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Issue date Jan 18, 1994
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Nippon Oil Co., Ltd.
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Hiroshi Hasegawa
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Metal working lubricant
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Patent number 4,759,861
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Issue date Jul 26, 1988
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Nippon Oil Co., Ltd.
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Shigetoshi Ogura
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...