Youichi Imamura

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Amagasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tube rolling method and apparatus
- Patent number 5,533,370
- Issue date Jul 9, 1996
- Sumitomo Metal Industries, Ltd.
- Kouichi Kuroda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...