Wanhua Cai

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing mechanical parts, and mold and system thereof
- Patent number 9,694,415
- Issue date Jul 4, 2017
- Advanced Manufacture Technology Center, China Academy of Machinery Science &...
- Zhongde Shan
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING MECHANICAL PARTS, AND MOLD AND SYSTEM THEREOF
- Publication number 20140261920
- Publication date Sep 18, 2014
- Zhongde Shan
- C21 - METALLURGY OF IRON