Patents/Inventors

Dongyu He

BeijingCN2 patents

3 Patents

US124408562025
Small-size Axial Powder Feeding Inner Hole Plasma Spraying Gun
Army Academy Of Armored Forces
0 cites
USD10785672025
Car Windshield Sun Shade Umbrella
0 cites
USD10584582025
Car Windshield Sun Shade Umbrella
0 cites