P

Inventor

ZHANG CHENGYI

CN3 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG CHENGYI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV CHINA GEOSCIENCES

1 patent

PHYTIUM TECH CO LTD

1 patent

SHANGHAI POWER EQUIPMENT RES INST CO LTD

1 patent