QY

Qijun Yu

Overall (2023): #290,622 of 537,848Top 55%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11691696 Releasing and recovery device of box-type sampling equipment Zhiyuan Li, Daojian Zhang, Haiquan Zhang, Binbin Zhang, Jiaheng Zheng 2023-07-04