QZ

Qingsong Zhao

Overall (2024): #306,004 of 561,600Top 55%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11867360 Closed-loop safety ventilation system for fully-mounded tank Yunsheng Ma, Liqiu Zhao, Chenghe Zhang, Shiheng Ma, Bo Yan +1 more 2024-01-09