Shigenori Harada

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Kashiharashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Drive shaft for rolling mills and the like
- Patent number 4,112,710
- Issue date Sep 12, 1978
- Koyo Seiko Company Limited
- Hiroji Okuda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...