NA 082
DIN Standards Committee Piping and Boiler Plant
Standards
[Withdrawn]
DIN 6657
DIN 6657
Pneumatic tube systems; sleeve tubes, centering shell tubes, sleeves for conveyor tubes of steel, cold drawn
Title (German)
Rohrpost; Muffenrohre, Zentrierhülsenrohre, Muffen für Fahrrohre aus Stahl, kaltgezogen