Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10352167 | Process method for withdrawing and recovering mechanical constant-resistance single prop | Jixiong Zhang, Nan Zhou, Qiang Zhang, Meng Li | 2019-07-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10352167 | Process method for withdrawing and recovering mechanical constant-resistance single prop | Jixiong Zhang, Nan Zhou, Qiang Zhang, Meng Li | 2019-07-16 |