This standard gives a compilation for simple switch-points for underground tracks of S 30 rails with loose heel switch, 50 m radius, 1 : 7 inclination and 600 mm gauge.
DIN 20472-1:1988 history
1988DIN 20472-1:1988-10 Simple points for underground tracks with loose heel switch; 50 m radius, 1 : 7 inclination, 600 mm gauge; compilation
1988DIN 20472-1:1988 Simple points for underground tracks with loose heel switch; 50 m radius, 1 : 7 inclination, 600 mm gauge; compilation