Tadahiro Itoh

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Black chromate solution
- Patent number 5,565,042
- Issue date Oct 15, 1996
- Dipsol Chemicals Co., Ltd.
- Hitoshi Sakurai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...