Tadao Ohkura

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Patents Grantslast 30 patents

Information Patent Grant
Water-soluble lubricants for hot plastic working
- Patent number 5,348,672
- Issue date Sep 20, 1994
- Nippon Graphite Industries Ltd.
- Tadao Ohkura
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...