Junwei Ma

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Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Curved surface forming device for adjustable segmented mold board w...
- Patent number 8,939,754
- Issue date Jan 27, 2015
- Shandong Surele Machinery Company Limited
- Chengfang Wang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
CURVED SURFACE FORMING DEVICE FOR ADJUSTABLE SEGMENTED MOLD BOARD W...
- Publication number 20110300254
- Publication date Dec 8, 2011
- TAIAN SURELE HYDRAULIC EQUPIMENTS MANUFACTORY
- Chengfang Wang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...