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Lubricating fluid
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Patent number 6,518,225
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Issue date Feb 11, 2003
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Yasuo Fukutani
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Rust preventive
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Patent number 6,488,749
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Issue date Dec 3, 2002
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Yasuo Fukutani
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Metal working fluid
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Patent number 6,448,207
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Issue date Sep 10, 2002
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Kikuko Fukutani
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Kikuko Fukutani
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...