Koichi Tsunoda

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Shiga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for producing bearings in the form of press worked bush
- Patent number 4,660,401
- Issue date Apr 28, 1987
- Oiles Industry Co., Ltd.
- Masayuki Kohama
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...