relatedBuildingElement_IfcRelSpaceBoundary
relatedElements_IfcRelContainedInSpatialStructure
relatedObjects_IfcRelAssociates
IfcRelDefinesByProperties_216108IfcRelDefinesByProperties_216128IfcRelDefinesByProperties_216159IfcRelDefinesByProperties_216205IfcRelDefinesByProperties_216211IfcRelDefinesByProperties_216217IfcRelDefinesByProperties_216228IfcRelDefinesByProperties_216263IfcRelDefinesByProperties_216288IfcRelDefinesByType_209222