Sinichi Nishiyama

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Ibaragi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing metallic tube members
- Patent number 4,838,063
- Issue date Jun 13, 1989
- Hitachi Cable, Ltd.
- Sinichi Nishiyama
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...