JIANGONG WANG

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TANGSHAN, CN

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Patents Grantslast 30 patents

Information Patent Grant
Obstacle removing and energy absorbing device and leading car of mo...
- Patent number 9,409,580
- Issue date Aug 9, 2016
- Tangshan Railway Vehicle Co., Ltd.
- Letian Fan
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
OBSTACLE REMOVING AND ENERGY ABSORBING DEVICE AND LEADING CAR OF MO...
- Publication number 20140290528
- Publication date Oct 2, 2014
- LETIAN FAN
- B61 - RAILWAYS