Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10913636 | Device and method for adjusting tension of a steel wire rope of an ultra-deep vertical shaft at a hoisting-container-end | Guohua Cao, Zhencai Zhu, Weihong Peng, Chunli Hua, Gongbo Zhou +4 more | 2021-02-09 |