Atuyoshi Komatu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Flaring apparatus for flaring a rim element
- Patent number 4,809,529
- Issue date Mar 7, 1989
- Topy Kogyo Kabushiki Kaisha
- Yusaku Shinozawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...