Hirokastu Bannai

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Hirastuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Conditioning metal surfaces before phosphating them
- Patent number 6,478,860
- Issue date Nov 12, 2002
- Henkel Corporation
- Takaomi Nakayama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...