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一种煤矿巷道注浆锚杆

  • Release time:2023-09-01
  • Hits:

  • Affilication of Author(s): 

    中国矿业大学深地工程智能建造与健康运维全国重点实验室

  • Scope of patent: 

    国内

  • School Sign: 

    第一单位

  • Disigner of the Invention: 

    wuyu,曹克旺,张彦,尹嘉帝

  • Type of Patent: 

    国内

  • State of Patent: 

    专利授权

  • Application Number: 

    202210199253.0

  • Service Invention or Not: 

    no

  • Application Date: 

    2022-03-03

  • Authorization Date: 

    2022-11-11

  • First Author: 

    haoyang
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