Patents/Inventors

Yannan Li

TianjinCN2 patents

2 Patents

US126063802026
Roller Conveying Racks with Quickly Adjustable Width
TCL ZHONGHUAN RENEWABLE ENERGY TECHNOLOGY CO., Ltd.
0 cites
US125700242026
Under-wire Spray Cleaning Device for Wire Cutting Machine
TCL ZHONGHUAN RENEWABLE ENERGY TECHNOLOGY CO., Ltd.
0 cites