Tomoko Watanabe

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for treating copper surface
- Patent number 4,902,551
- Issue date Feb 20, 1990
- Hitachi Chemical Company, Ltd.
- Akishi Nakaso
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...