P

Inventor

YIN PINGWEI

CN5 patents
⚠️ This page may combine multiple inventors who share the name “YIN PINGWEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIU ZHENMING

3 patents

QIQIHAR RAILWAY ROLLING STOCK

1 patent

QIQIHAR RAILWAY ROLLING STOCK CO LTD DALIAN R&D CENTRE

1 patent