Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10590708 | Mechanics experiment system and method for perforated string in underground perforating blasting of oil-gas well | Jun Liu, Qingyou Liu, Guorong Wang, Haiyan ZHU, Xian Liu | 2020-03-17 |