Toshiaki Satoh

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Edge roll assembly for manufacturing a taper leaf spring
- Patent number 4,285,227
- Issue date Aug 25, 1981
- NHK Spring Co., Ltd.
- Yoshihiro Sakai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...