P

Inventor

ZHENG QING-QING

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

YANG HE-HUI

1 patent

HONGFUJIN PREC IND SHENZHEN

1 patent