Patents

Current position: Home > Scientific Research > Patents

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: 

    金志远,余孝民,王飞,孙海
  • Type of Patent: 

    国内
  • State of Patent: 

    专利授权
  • Application Number: 

    201410193757.7
  • Number of Inventors: 

    5
  • Service Invention or Not: 

    no
  • Application Date: 

    2014-05-08
  • Authorization Date: 

    2016-02-10
  • First Author: 

    Ma Liqiang