Liping Liu

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Liaoning, CN

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Patents Grantslast 30 patents

Information Patent Grant
Portable digital display hardness tester
- Patent number 9,366,610
- Issue date Jun 14, 2016
- SHENYANG TIANXING TESTING INSTRUMENTS CO., LTD.
- Fenglin Zhang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
PORTABLE DIGITAL DISPLAY HARDNESS TESTER
- Publication number 20140224003
- Publication date Aug 14, 2014
- Fenglin Zhang
- G01 - MEASURING TESTING