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一种岩溶地段隧道挂壁式围岩断面爆破开挖方法

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  • Release time:2018-10-12

  • Affilication of Author(s):中南大学

  • School Sign:中南大学

  • Type of Patent:Invent

  • State of Patent:Authorized patents

  • Authorization number:ZL.2016 1 1121977.4

  • Service Invention or Not:no

  • First Author:蒋冲

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