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classificationCode:"ipc:B63B"

    MONOHULL OFFSHORE DRILLING VESSEL

    Freier Zugriff
    ROODENBURG JOOP / WIJNING DIEDERICK BERNARDUS | Europäisches Patentamt | 2016

      Monohull offshore drilling vessel

      Freier Zugriff
      ROODENBURG JOOP / WIJNING DIEDERICK BERNARDUS | Europäisches Patentamt | 2017

    SEMI-SUBMERSIBLE DRILLING VESSEL WITH A MUD TREATMENT AND CIRCULATION SYSTEM

    Freier Zugriff
    WIJNING DIEDERICK BERNARDUS / ROODENBURG JOOP | Europäisches Patentamt | 2020

      Semi-submersible drilling vessel with a mud treatment and circulation system

      Freier Zugriff
      WIJNING DIEDERICK BERNARDUS / ROODENBURG JOOP | Europäisches Patentamt | 2022