Yukiro Okamoto

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Nara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rotary transfer press
- Patent number 4,364,257
- Issue date Dec 21, 1982
- Hitachi Shipbuilding & Engineering Company Limited
- Takuro Endo
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...