P

Inventor

WAN YUANYUAN

CN6 patents
⚠️ This page may combine multiple inventors who share the name “WAN YUANYUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NO 59 INST CHINA ORDNANCE IND

5 patents

NO 59 RES INSTITUTE OF CHINA ORDNANCE INDUSTRY

1 patent