XINQIANG LIU

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Qiqihar, CN

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Patents Grantslast 30 patents

Information Patent Grant
Central suspension device, wagon bogie and express railway wagon
- Patent number 8,671,845
- Issue date Mar 18, 2014
- Qiqihar Railway Rolling Stock Co., Ltd.
- Shifeng Xu
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
CENTRAL SUSPENSION DEVICE, WAGON BOGIE AND EXPRESS RAILWAY WAGON
- Publication number 20120318165
- Publication date Dec 20, 2012
- QIQIHAR RAILWAY ROLLING STOCK CO., LTD.
- SHIFENG XU
- B61 - RAILWAYS