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一种H型采煤工作面回采巷道布置方法

  • Release time:2023-09-01
  • Hits:
  • School Sign: 

    第一单位
  • Disigner of the Invention: 

    焦河喜,崔琦,杨兴国,缐桂宏,邓金平,李泽祥
  • Type of Patent: 

    国内
  • State of Patent: 

    专利授权
  • Application Number: 

    202111077072.2
  • Service Invention or Not: 

    no
  • Application Date: 

    2021-09-13
  • Publication Date: 

    2021-11-19
  • Authorization Date: 

    2022-05-20
  • First Author: 

    QIAN Deyu