Patents

确定水力冲孔有效抽采半径的方法

  • Release time: 2021-10-18
  • Hits: 

  • Type of Patent: 

    Invent

  • State of Patent: 

    Authorized patents

  • Authorization number: 

    ZL 202011136605.5

  • Service Invention or Not: 

    no

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