NA 119
DIN Standards Committee Water Practice
Draft standard
[Withdrawn]
DIN 1229
DIN 1229
Gully tops and manhole tops for vehicular and pedestrian areas - Securing of the covers and the gratings within the frame
Title (German)
Aufsätze und Abdeckungen für Verkehrsflächen - Sicherung des Deckels und Rostes im Rahmen