Inventor

DUAN SHIHUI

CN2 patents

⚠️ This page may combine multiple inventors who share the name “DUAN SHIHUI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIU ZHENMING

1 patent

US8561546B2Oct 22, 2013

Bogie

LIU ZHENMING0 citations32

QIQIHAR RAILWAY ROLLING STOCK CO LTD DALIAN R&D CENTRE

1 patent

US10086851B2Oct 2, 2018

Bogie and axle box suspension positioning device thereof

QIQIHAR RAILWAY ROLLING STOCK CO LTD DALIAN R&D CENTRE0 citations29