Hideki Okabe

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Die set for manufacturing fins of heat exchangers and a manufacturi...
- Patent number 5,159,826
- Issue date Nov 3, 1992
- Hidaka Seiki Kabushiki Kaisha
- Toshiki Miyazawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...