Akira Wakayama

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Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for roll-forming an end plate
- Patent number 4,170,889
- Issue date Oct 16, 1979
- Mitsubishi Jukogyo Kabushiki Kaisha
- Tateo Tanimoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...