Masazumu Onishi

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Toyota, JP

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Patents Grantslast 30 patents

Information Patent Grant
Brightening chemical polishing solution for hardened steel article
- Patent number 5,256,316
- Issue date Oct 26, 1993
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Kenichi Suzuki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...