Prestressed concrete sleepers for wide gauge tram tracks. General technical specifications
NORM herausgegeben am 1.6.2025
Designation standards: GOST 21174-2024
Publication date standards: 1.6.2025
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST