DIN 20473-2
DIN 20473-2
Switches for simple underground track points with spring switch blade; 50 m radius, 1 : 7 inclination, 600 mm gaugestandard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/1988
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/1988