Atsushi Mochizuki

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Shimizu, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for manufacturing extruded structural profiles...
- Patent number 4,050,142
- Issue date Sep 27, 1977
- Riken Keikinzoku Kogyo Kabushiki Kaisha
- Toshiro Takahashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...