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控制覆岩裂隙和地表沉陷的保水开采充填接顶方法

  • Release time:2020-10-30
  • Hits:

  • Affilication of Author(s): 

    矿业工程学院

  • Disigner of the Invention: 

    孙海,姜亚永,梁继猛,于斌,匡铁军

  • State of Patent: 

    专利授权

  • Application Number: 

    2,928,118

  • Authorization number: 

    2,928,118

  • Number of Inventors: 

    6

  • Service Invention or Not: 

    no

  • Application Date: 

    2014-11-19

  • Authorization Date: 

    2017-09-26

  • First Author: 

    Ma Liqiang
Address:No1,Daxue Road,Xuzhou,Jiangsu,221116,P.R.China    Email: master@cumt.edu.cn
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