Yoshiaki Aiki

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Omiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metal working oil composition
- Patent number 5,599,780
- Issue date Feb 4, 1997
- Idemitsu Kosan Co., Ltd.
- Sabro Koyama
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...