ZM

Zhigui Ma

📍 Miaocheng, TN: #1 of 1 inventorsTop 100%
Overall (2004): #78,517 of 270,089Top 30%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6736198 Assembling heat exchanger of spiral sleeve Yanwen Zhu 2004-05-18