Lifts - Lift landing doors (hinged, pivoted and folding) for lift walls with walls of the fire resistance class F 90.
STANDARD published on 1.1.1997
Designation standards: DIN 18090:1997-01
Publication date standards: 1.1.1997
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: German technical standard
Category: Technical standards DIN
Aufzüge - Fahrschacht-Dreh- und -Falttüren für Fahrschächte mit Wänden der Feuerwiderstandsklasse F 90.