Tomomasa Osumi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic working oil composition for buffers
- Patent number 5,549,838
- Issue date Aug 27, 1996
- Nippon Oil Co., Ltd.
- Toru Miyagawa
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...