Yohji Oho

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Treatment of galvanized steel
- Patent number 4,756,805
- Issue date Jul 12, 1988
- Nihon Parkerizing Co., Ltd.
- Haruyoshi Terada
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR