Priority Date: 21.06.17 (CN 201710472728)

CAR FRAME TRAVELING TYPE SHIELD TUNNEL WALL POST-GROUTING DETECTION APPARATUS

  • Application ID: EP18821101
  • Status: Request for examination was made

Applicant

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Research Organisation

Attorney

Company dna herrero and asociados
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active in Legal Services

Specialization

This EP application has the IPC class E21 (EARTH OR ROCK DRILLING; MINING). Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.

Timeline

  • 21.06.2017 - Priority Date (CN 201710472728)
  • 27.12.2018 - Publication A1 (WO2018233354)
  • 17.04.2019 - Publication A1 (EP3470622)

IPC Classification