relatedBuildingElement_IfcRelFillsElement
relatedElements_IfcRelContainedInSpatialStructure
relatedObjects_IfcRelAssociates
IfcRelDefinesByProperties_50147IfcRelDefinesByProperties_50154IfcRelDefinesByProperties_50160IfcRelDefinesByProperties_50167IfcRelDefinesByProperties_50203IfcRelDefinesByProperties_50623IfcRelDefinesByProperties_50629IfcRelDefinesByProperties_50641IfcRelDefinesByProperties_50676IfcRelDefinesByProperties_50888IfcRelDefinesByType_48250