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Inventor
YU HAIZHI
CN
2 patents
Patents
2 patents
US11130506B2
Sep 28, 2021
Rail vehicle
CRRC QINGDAO SIFANG CO LTD
2 citations
66
US11142222B2
Oct 12, 2021
Vehicle end skeleton structure and rail vehicle having same
CRRC QINGDAO SIFANG CO LTD
0 citations
43