Guojun Tan

Follow

Person

Xuzhou, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Power-down electrical locking protection device for underground exp...
- Patent number 9,165,727
- Issue date Oct 20, 2015
- CHINA MINING DRIVES & AUTOMATION CO., LTD.
- Guojun Tan
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
POWER-DOWN ELECTRICAL LOCKING PROTECTION DEVICE FOR UNDERGROUND EXP...
- Publication number 20140224625
- Publication date Aug 14, 2014
- Guojun Tan
- H01 - BASIC ELECTRIC ELEMENTS