Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10012080 | Skip-mining type wangeviry stope branch roadway filling and coal mining method | Liqiang Ma, Yinzhong Zhang, Jiaxue Wang, Junjie Wang, Maoping Zhao +4 more | 2018-07-03 |