P

Inventor

SUN XUEWEN

CN4 patents
⚠️ This page may combine multiple inventors who share the name “SUN XUEWEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV CHINA PETROLEUM

2 patents

WELL RESOURCES INC

1 patent

STATE GRID LIANYUNGANG POWER SUPPLY COMPANY

1 patent