Tomomi Watanabe

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Kawasaki, JP

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Patents Grantslast 30 patents

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Chemical conversion method and aqueous chemical conversion solution...
- Patent number 5,348,640
- Issue date Sep 20, 1994
- Nippon Paint Co., Ltd.
- Toshiaki Shimakura
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...