Inventor

WANG DAQIANG

CN2 patents

Patents

2 patents

US10196075B2Feb 5, 2019

Railway vehicle and axle box structure thereof

CRRC QINGDAO SIFANG CO LTD1 citations56

US9744976B2Aug 29, 2017

Railway vehicle and axle box structure thereof

CRRC QINGDAO SIFANG CO LTD1 citations43