Specification for steel railway sleepers for flat bottom railway rails.
NORMA vydaná dňa 5.11.1956
Designation standards: BS 500:1956
Note: NEPLATNÁ
Publication date standards: 5.11.1956
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Kategória: Technické normy BS