D.2.1.17 IfcStair

IfcStairIfcStairIfcRelAggregatesIfcElementIfcRelDefinesByPropertiesIfcPropertySetIfcPropertyIfcLocalPlacementIfcLocalPlacementIfcAxis2Placement3DIfcCartesianPointIfcDirectionIfcDirectionIfcProductDefinitionShapeIfcShapeRepresentationIfcGeometricRepresentationContextIfcLabelIfcLabelIfcFacetedBrepIfcClosedShellIfcFaceSurfaceIfcFaceOuterBoundIfcPolyLoopIfcFaceBoundIfcPolyLoopIfcRelVoidsElementIfcOpeningElement