Jouji Ohta

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Ikoma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lubricant compositions for metalworking
- Patent number 4,834,891
- Issue date May 30, 1989
- Director General of Agency of Industrial Science and Technology
- Kiyohisa Eguchi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...