NA 052
DIN Standards Committee Road Vehicles and Mobility
Standards
[Withdrawn]
DIN 70911
DIN 70911
Piston rings for automotive engineering; M-Rings, Taper faced rings 30 to 200 mm nominal diameter
Title (German)
Kolbenringe für den Kraftfahrzeugbau; M-Ringe, Minutenringe mit 30 bis 200 mm Nenndurchmesser