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一种综采工作面回撤多余液压支架方法

  • Release time:2020-10-30
  • Hits:

  • Affilication of Author(s): 

    矿业工程学院

  • Disigner of the Invention: 

    zhangdongsheng,王烁康

  • Type of Patent: 

    国内

  • State of Patent: 

    专利授权

  • Application Number: 

    201710599079.8

  • Number of Inventors: 

    3

  • Service Invention or Not: 

    no

  • Application Date: 

    2017-07-21

  • Authorization Date: 

    2019-03-19

  • First Author: 

    Ma Liqiang
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