Kunio HAYAKAWA

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Shizuoka-shi, JP

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Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR SURFACE-TREATING FORGING MEMBER
- Publication number 20160136722
- Publication date May 19, 2016
- MACOHO CO., LTD.
- Sachito MATSUBARA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...