HC

Haiyan Cheng

📍 Huainan City, CN: #8 of 36 inventorsTop 25%
Overall (2024): #452,327 of 561,600Top 85%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12044531 Level instrument and method for surveying mining subsidence zone in coal mining area Bo Xue, Shikai An, Yanfei Xu, Yanqing Li, Wei Miao +4 more 2024-07-23