Motoshiro Hirato

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Hitachi-shi, Ibaragi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and process for the fluid lubrication drawing of composit...
- Patent number 4,270,373
- Issue date Jun 2, 1981
- Motoshiro Hirato
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...