Komei Matsumoto

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Ichihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metal working oil composition
- Patent number 5,908,816
- Issue date Jun 1, 1999
- Idemitsu Kosan Co., Ltd.
- Masahiro Kobessho
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...