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luftherd virtually with triangular herdflaeche as halbherd or doppelform, in which the austragskante towards the herdbewegung just are and the staukante is weird to austragskante.
luftherd virtually with triangular herdflaeche as halbherd or doppelform, in which the austragskante towards the herdbewegung just are and the staukante is weird to austragskante.