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Xiaoming WANG
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Qingdao, Shandong, CN
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Patents Grants
last 30 patents
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Patent Grant
High-speed rail train bogie and frame thereof
Patent number
10,377,393
Issue date
Aug 13, 2019
CRRC QINGDAO SIFANG CO., LTD.
Zhenxian Zhang
B61 - RAILWAYS
Patents Applications
last 30 patents
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Patent Application
BOGIE OF A RAIL VEHICLE WITH AT LEAST TWO WHEELSETS MOUNTED IN AXLE...
Publication number
20190322296
Publication date
Oct 24, 2019
CRRC QINGDAO SIFANG CO., LTD.
Lijun MA
B61 - RAILWAYS
Information
Patent Application
HIGH-SPEED RAIL TRAIN BOGIE AND FRAME THEREOF
Publication number
20170232979
Publication date
Aug 17, 2017
CRRC QINGDAO SIFANG CO., LTD.
Zhenxian ZHANG
B61 - RAILWAYS