GG

Gang Gan

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,968,544 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9783987 Pre-tensioned centrifugal concrete structure with steel strands Xiangyang Yu, Kai Zeng 2017-10-10