ZM

Zhengyun Ma

📍 Danyang, CN: #11 of 15 inventorsTop 75%
Overall (All Time): #2,525,795 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12078251 Pressure maintaining gas cylinder valve Haowei Gong, Weiguo Lu 2024-09-03