P

Inventor

JI SHUJUAN

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

UNIV SHANDONG SCIENCE & TECH

1 patent

SHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INST CO LTD

1 patent