Nstional Institute of Adv Industrial Sci and Tech

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Chiyoda-ku, JP

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Patents Applicationslast 30 patents

Information Patent Application
METAL SPINNING MACHINE
- Publication number 20070271982
- Publication date Nov 29, 2007
- Nstional Institute of Adv Industrial Sci and Tech
- Hirohiko Arai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...