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Inventor
SHAN BAOQIANG
CN
2 patents
Patents
2 patents
US11247704B2
Feb 15, 2022
Activation apparatus of railway vehicle and railway vehicle having activation apparatus
CRRC QINGDAO SIFANG CO LTD
0 citations
43
US10207725B2
Feb 19, 2019
Method and device for transmitting signal among compartments of train
CRRC QINGDAO SIFANG CO LTD
0 citations
33