P

Inventor

CAO BEIBEI

CN8 patents
⚠️ This page may combine multiple inventors who share the name “CAO BEIBEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YANGTZE OPTICAL FIBRE & CABLE JOINT STOCK LTD CO

5 patents

ZHANG FANGHAI

1 patent

YANG CHEN

1 patent

ZHANG SHUQIANG

1 patent