Patents/Inventors

Cheng Yan

Hong KongCN2 patents

2 Patents

USD10563212024
Holder for a Flashlight
KLARUS LIGHTING TECHNOLOGY (HONG KONG) CO., LIMITED
0 cites
US116187002023
Recycling Purification and Reuse System for Farmland Tail Water
AGRO-ENVIRONMENTAL PROTECTION INSTITUTE, MINISTRY OF AGRICULTURE AND RURAL AFFAIRS
0 cites