Patents/Inventors

Zhenghua Wu

ShenzhenCN3 patents

4 Patents

USD10351172024
Solar Light
0 cites
USD10311122024
Solar Light
0 cites
USD10028962023
Solar Light
0 cites
US116037202023
Methods for Tripping a Drilling Rig or a Workover Rig
SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., Ltd.
0 cites