Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10619991 | Vertical shaft steel wire rope cage guide sliding sleeve device and detection method thereof | Gongbo Zhou, Zhencai Zhu, Gang Shen, Yuan SUN, Qiao Gao +8 more | 2020-04-14 |