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滑轮组式立井提升联调测试装置及方法

  • Release time:2020-10-30
  • Hits:

  • Disigner of the Invention: 

    wangzhongqiu,夏士雄,zhouyong

  • Type of Patent: 

    国内

  • State of Patent: 

    专利授权

  • Application Number: 

    201811177243.7

  • Number of Inventors: 

    4

  • Service Invention or Not: 

    no

  • Application Date: 

    2018-10-10

  • Authorization Date: 

    2019-11-12

  • First Author: 

    niuqiang
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