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一种大倾角软底综采工作面快速抬底方法

  • Release time:2020-10-30
  • Hits:

  • Affilication of Author(s): 

    矿业工程学院

  • Disigner of the Invention: 

    曹新奇,zhangdongsheng,tushihao

  • Note: 

    曹新奇,张东升,屠世浩

  • Type of Patent: 

    国内

  • State of Patent: 

    专利授权

  • Application Number: 

    201110428933.7

  • Number of Inventors: 

    4

  • Service Invention or Not: 

    no

  • Application Date: 

    2011-12-20

  • Authorization Date: 

    2014-01-15

  • First Author: 

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