CHANG WU

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MEISHAN CITY, SICHUAN, CN

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Patents Applicationslast 30 patents

Information Patent Application
UNDERNEATH TYPE RAILWAY FREIGHT CAR BOGIE WHEELSET RADIAL DEVICE
- Publication number 20230294746
- Publication date Sep 21, 2023
- CRRC MEISHAN CO., LTD.
- Rui ZHANG
- B61 - RAILWAYS
Information Patent Application
RAILWAY SELF-GENERATING EXPRESS FREIGHT CAR BOGIE
- Publication number 20230018010
- Publication date Jan 19, 2023
- CRRC MEISHAN CO., LTD.
- Jun LIAO
- B61 - RAILWAYS
Information Patent Application
Bogie Wheelset Radial Mechanism with Structure of Adjustable Rigidity
- Publication number 20200231187
- Publication date Jul 23, 2020
- CRRC MEISHAN CO., LTD.
- CHANG WU
- B61 - RAILWAYS