Matsufumi Takaya

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Sakura-shi, Chiba-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Black chromium electroplating process
- Patent number 4,174,265
- Issue date Nov 13, 1979
- Tomoya Minegishi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR