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prEN 13450-1
Aggregates for railway ballast - Part 1: Characteristics
prEN 13450-2
Aggregates for railway ballast - Part 2: Complementary information
DIN CEN/TR 14067-7
Railway applications - Aerodynamics - Fundamentals for test procedures for train-induced ballast projection
DIN EN 13450-2
Aggregates for railway ballast - Part 2: Complementary Information; German and English version prEN 13450-2:2021
DIN EN 13450-1
Aggregates for railway ballast - Part 1: Characteristics; German and English version prEN 13450-1:2021