Gully tops and manhole tops for vehicular and pedestrian areas - Part 3: Gully tops and manhole tops made from steel or aluminium alloy; German version prEN 124-3:2012
Gully tops and manhole tops for vehicular and pedestrian areas - Part 3: Gully tops and manhole tops made of steel or aluminium alloys; German version EN 124-3:2015— 43 стр.
