P

Inventor

LI GUANNAN

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

DAI QIONGHAI

1 patent

GOLDEN PROMISE EQUIPMENT INC

1 patent

UNIV DALIAN TECH

1 patent