Patents/Inventors

Zhaoyun Mao

DongguanCN3 patents

4 Patents

USD10906392025
Electric Air Pump
DONGGUAN YIJING ELECTRONICS CO., Ltd.
0 cites
USD10840412025
Electric Air Pump
DONGGUAN YIJING ELECTRONICS CO., Ltd.
0 cites
USD10308082024
Air Pump
0 cites
USD10230632024
Air Pump
0 cites