Haruo Kojima

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating metal surface with zinc phosphate
- Patent number 5,244,512
- Issue date Sep 14, 1993
- Nippon Paint Co., Ltd.
- Isao Kawasaki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...