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Nippon Koyu Ltd.

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  • Tokyo, JP
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  • Information Patent Grant

    Grease composition
    • Patent number 4,990,272
    • Issue date Feb 5, 1991
    • Kabushiki Kaisha Tokai Rika Denki Seisakusho
    • Masayuki Morita
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

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