Takehiro Koizumi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lubricating grease
- Patent number 4,802,999
- Issue date Feb 7, 1989
- Shell Oil Company
- Takehiro Koizumi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...