Masaru Kikuchi

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Fiji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for manufacturing extruded structural profiles from alumi...
- Patent number 4,117,703
- Issue date Oct 3, 1978
- Riken Keikinzoku Kogyo Kabushiki Kaisha
- Toshiro Takahashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...