一种构造煤原位煤层气水平井洞穴卸压开采系统

• School Sign:第一单位
• Disigner of the Invention:徐宏杰,wangran,贾金龙,zhushuyun,Liu Shiqi,caoliwen,Perry,王海文,刘会虎,李自成,Harrsion Huang,刘长江
• Type of Patent:国内
• State of Patent:专利授权
• Application Number:201810404478.9
• Number of Inventors:13
• Service Invention or Not:no
• Application Date:2018-04-28
• Authorization Date:2020-01-14
• First Author:sangshuxun