Katsunori Hayashi

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Fukushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for forming a piston having a peg
- Patent number 4,887,449
- Issue date Dec 19, 1989
- Akebono Brake Industry Co., Ltd.
- Tamotsu Kanai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...