relatedBuildingElement_IfcRelSpaceBoundary
relatedElements_IfcRelContainedInSpatialStructure
relatedObjects_IfcRelAssociates
IfcRelDefinesByProperties_231570IfcRelDefinesByProperties_231590IfcRelDefinesByProperties_231621IfcRelDefinesByProperties_231667IfcRelDefinesByProperties_231673IfcRelDefinesByProperties_231679IfcRelDefinesByProperties_231690IfcRelDefinesByProperties_231725IfcRelDefinesByProperties_231750IfcRelDefinesByType_209222