NA 003
DIN Standards Committee Valves
Standards
[Withdrawn]
DIN 28453-2
DIN 28453-2
Calibers for couplings for petroleums tank-cars, nominal sizes 50 mm and 80 mm for curved piece and stopper; caliber B
Title (German)
Lehren für Tankwagenkupplungen, NW 50 und NW 80, für Kurvenstück und Stopfen; Lehre B