P

Inventor

JIA JINGDONG

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

BEIJING ZHONG KE SAN HUAN

1 patent

BEIJING ZHONG KE SAN HUAN HIGH TECH CO LTD

1 patent