relatedBuildingElement_IfcRelSpaceBoundary
relatedElements_IfcRelContainedInSpatialStructure
relatedObjects_IfcRelAssociates
IfcRelDefinesByProperties_294012IfcRelDefinesByProperties_294032IfcRelDefinesByProperties_294063IfcRelDefinesByProperties_294109IfcRelDefinesByProperties_294115IfcRelDefinesByProperties_294121IfcRelDefinesByProperties_294132IfcRelDefinesByProperties_294167IfcRelDefinesByProperties_294192IfcRelDefinesByType_209222