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  <ref-type name="Patent">25</ref-type>
  <contributors>
    <authors>
      <author>Schmachtenberg, Ernst Michael</author>
      <author>Flock, Dustin</author>
      <author>Dietze, Georg</author>
    </authors>
    <subsidiary-authors>
      <author>412610</author>
    </subsidiary-authors>
  </contributors>
  <titles>
    <title>Geothermiesonde und Verfahren zu deren Betrieb</title>
  </titles>
  <periodical/>
  <isbn>DE102009040476A1</isbn>
  <language>German</language>
  <pages>13 Seiten : Illustrationen</pages>
  <number/>
  <volume/>
  <abstract/>
  <notes/>
  <label>PUB:(DE-HGF)23, Publication of the patent application; 15, ; </label>
  <keywords/>
  <accession-num/>
  <work-type>Patent (Publication of the patent application)</work-type>
  <dates>
    <pub-dates>
      <year>2011</year>
    </pub-dates>
  </dates>
  <accession-num>RWTH-2024-04419</accession-num>
  <year>2011</year>
  <urls>
    <related-urls>
      <url>https://publications.rwth-aachen.de/record/985063</url>
    </related-urls>
  </urls>
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