Shin Suzuki

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Ayase, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for forming an annular member
- Patent number 5,465,598
- Issue date Nov 14, 1995
- Topy Kogyo Kabushiki Kaisha
- Yukio Hirai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...