relatedElements_IfcRelContainedInSpatialStructure
relatedObjects_IfcRelAssociates
IfcRelDefinesByProperties_771020IfcRelDefinesByProperties_771040IfcRelDefinesByProperties_771071IfcRelDefinesByProperties_771117IfcRelDefinesByProperties_771123IfcRelDefinesByProperties_771129IfcRelDefinesByProperties_771140IfcRelDefinesByProperties_771175IfcRelDefinesByProperties_771200IfcRelDefinesByType_209222