P

Inventor

CAO JIANFENG

CN2 patents
⚠️ This page may combine multiple inventors who share the name “CAO JIANFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WUXI INST TECHNOLOGY

1 patent

ZHENGZHOU RES INSTITUTE FOR ABRASIVES & GRINDING CO LTD

1 patent