Heinrich von Boul, Robert Fellinger, Adolf Franke, Hans Gerdien, Friedrich Güldenpfennig, Friedrich Heintzenberg, Ragnar Holm, Emil Otto Kieffer, Bernhard Kirstein, Carl Köttgen, Fritz Lüschen, Hermann Neuhaus (auth.)
Ing. O. Heinrich (auth.), Prof. Dr.-Ing. H. Baer, Prof. H. Dubbel, Dr. G. Glage, Dipl.-Ing. W. Gruhl, Dipl.-Ing. R. Hänchen, Ing. O. Heinrich, Dr.-Ing. M. Krause, Fr. Krauß, Prof. Dr.-Ing. Fr. Oesterlen, Prof. Dr. A. Schiebel, Prof. E. Toussaint, Dipl.-In
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