Tetsuo Ishii

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Synthetic lubricating fluid
- Patent number 4,871,476
- Issue date Oct 3, 1989
- Toa Nenryo Kogyo K.K.
- Narihiko Yoshimura
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...