establishment of the rules of the peripheral speed of the wheels of a railwaySCHOENENBERGER, ALBERT, MUENCHEN, DEREGEL, GERT, ING.GRAD., GROEBENZELL, DE
establishment of the rules of bremsdruckes in railway vehicles.ING. JOHANN RIHOSEK
establishment of the rules of bremsdruckes to air brakes for railway vehicles with hydraulic transmission.ING. RUDOLF WALKER