Longfei Zhang

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Xi'an Shaanxi, CN

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Patents Grantslast 30 patents

Information Patent Grant
Device for detecting axis coplanarity of orthogonal rotary shafts h...
- Patent number 9,212,906
- Issue date Dec 15, 2015
- Xi'an University of Technology
- Yumei Huang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
DEVICE FOR DETECTING AXIS COPLANARITY OF ORTHOGONAL ROTARY SHAFTS H...
- Publication number 20140298668
- Publication date Oct 9, 2014
- Xi'an University of Technology
- Yumei Huang
- G01 - MEASURING TESTING