Patents
Current position: Home > Scientific Research > Patents
控制覆岩裂隙与地表沉陷的掘采充平行作业的采煤方法
- Release time:2020-10-30
- Hits:
Affilication of Author(s):
矿业工程学院Disigner of the Invention:
苗乾坤Type of Patent:
国内State of Patent:
专利授权Application Number:
201410643437.7Number of Inventors:
2Service Invention or Not:
noApplication Date:
2014-11-13Authorization Date:
2017-02-08First Author:
Ma Liqiang
- Pre One:一种近距煤层群保水开采方法
- Next One:一种采用红外辐射观测煤岩裂隙发育过程的装置及方法