
Preserved wooden sleepers. Rail switch sleepers and bridge sleepers
STANDARD published on 1.6.1973
Designation standards: STN 491406-1
Classification mark: 491406
Catalog number: 77975
Note: WITHDRAWN
Publication date standards: 1.6.1973
Approximate weight : 18 g (0.04 lbs)
Country: Slovak technical standard
Category: Technical standards STN