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Points Date Pair Term / Answer given Level Status Gloss
4 Dec 7 '17 eng>deu shale and non-shale output Produktion/Förderung des Schieferöls und Erdöls aus anderen Lagerstätten pro closed no
4 Jan 12 '17 eng>deu several prospective intervals mehrere höffige Teilschichten der Lagerstätten pro closed ok
Asked | Open questions | Answered