NA 003
DIN Standards Committee Valves
Standards
[Withdrawn]
DIN 28456
DIN 28456
Calibers for couplings for petroleums tank-cars, nominal sizes 50 mm and 80 mm; caliber for bonnet
Title (German)
Lehren für Tankwagenkupplungen, NW 50 und NW 80; Lehren für Kappe