Isamu Yamashita

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Tosu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for forming plate with a double-curved surface
- Patent number 4,770,017
- Issue date Sep 13, 1988
- Agency of Industrial Science and Technology
- Isamu Yamashita
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...