Yugen Kaisha Art Screw

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Nagoya-shi, Aichi, JP

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Information Patent Grant
Method of producing left-right screw
- Patent number 7,217,195
- Issue date May 15, 2007
- Yugen Kaisha Art Screw
- Kou Matsubayashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

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