Prestressed reinforced concrete sleepers for the wide-gauge tramways
NORMA vydaná dňa 1.7.1976
Designation standards: GOST 21174-75
Note: NEPLATNÁ
Publication date standards: 1.7.1976
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: Russian technical standard
Kategória: Technické normy GOST