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Schwingquarzschnittdoppelt gedreht. Schwingquarzschnittdoppelt gedreht Original uploader was Elcap at org de original text eigene Zeichnung Elcap Jens Both PDrelease Original upload log page de Schwingquarzschnittdoppeltgedreht Elcap bytes no Andere Versionen Unidentified diagrams Diagrams in German