Keiichi Sugiyama

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Fuji, JA

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Patents Grantslast 30 patents

Information Patent Grant
Water-soluble metal working lubricants
- Patent number 3,945,930
- Issue date Mar 23, 1976
- Toho Chemical Industry Co., Ltd.
- Noboru Sugiyama
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...