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Acoustic monitoring device and method for settlement deformation of in-service rail transit tunnel surrounding rock

Acoustic monitoring device and method for settlement deformation of in-service rail transit tunnel surrounding rock

  • CN 106,323,231 A
  • Filed: 08/08/2016
  • Published: 01/11/2017
  • Est. Priority Date: 08/08/2016
  • Status: Active Application
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