HAIFU SUN

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TIANJIN, CN

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Patents Applicationslast 30 patents

Information Patent Application
RAIL VIBRATION ABSORBER
- Publication number 20160298300
- Publication date Oct 13, 2016
- QINGDAO CREATE ENVIRONMENT CONTROL TECHNOLOGY CO., LTD.
- HONG LI
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES