Katsumi Seki

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metal working lubricant
- Patent number 4,759,861
- Issue date Jul 26, 1988
- Nippon Oil Co., Ltd.
- Shigetoshi Ogura
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...