GM

Guoyuan Ma

TU Tsinghua University: 1 patents #1 of 10Top 10%
Overall (2002): #212,022 of 266,432Top 80%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6481234 Heat pump system for air conditioning adaptable to cold regions Qisen Yan, Yi Jiang 2002-11-19