Koichi Nishimune

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for producing copper clad steel wire
- Patent number 4,156,500
- Issue date May 29, 1979
- Sumitomo Electric Industries, Ltd.
- Shigeaki Yoshida
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...