Naoe Hirai

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Kitakyushu, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing colored metal sheets
- Patent number 4,083,763
- Issue date Apr 11, 1978
- Nippon Steel Corporation
- Shozo Matsuda
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR