NA 003
DIN Standards Committee Valves
Standards
[Withdrawn]
DIN 28455
DIN 28455
Calibers for couplings for petroleums tank-cars, nominal sizes 50 mm und 80 mm; caliber for former
Title (German)
Lehren für Tankwagenkupplungen, NW 50 und NW 80; Lehren für Spannring