Kenichi Hara

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Tokai-shi, Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cooling drum for continuous-casting machines for manufacturing thin...
- Patent number 4,887,662
- Issue date Dec 19, 1989
- Shigenori Tanaka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...