relatedBuildingElement_IfcRelFillsElement
relatedElements_IfcRelContainedInSpatialStructure
relatedObjects_IfcRelAssociates
IfcRelDefinesByProperties_100416IfcRelDefinesByProperties_100422IfcRelDefinesByProperties_100434IfcRelDefinesByProperties_100469IfcRelDefinesByProperties_100681IfcRelDefinesByProperties_99940IfcRelDefinesByProperties_99947IfcRelDefinesByProperties_99953IfcRelDefinesByProperties_99960IfcRelDefinesByProperties_99996IfcRelDefinesByType_53964