Jiahua Miao

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Iwata-shi, CN

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Patents Grantslast 30 patents

Information Patent Grant
Forging method, molding device for forgings, and tripod uniform mot...
- Patent number 9,149,859
- Issue date Oct 6, 2015
- NTN Corporation
- Jiahua Miao
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...