ABSTRACT This definition may not be instantiated
The IfcPreDefinedProperties is an abstract supertype of all predefined property collections that have explicit attributes, each representing a property. Instantiable subtypes are assigned to specific characterised entities.
|HasExternalReferences||SET [0:?] OF IfcExternalReferenceRelationship FOR RelatedResourceObjects||
Reference to an external reference, e.g. library, classification, or document information, that is associated to the property definition.
ENTITY IfcPreDefinedProperties ABSTRACT SUPERTYPE OF (ONEOF (IfcReinforcementBarProperties ,IfcSectionProperties ,IfcSectionReinforcementProperties)) SUBTYPE OF (IfcPropertyAbstraction); END_ENTITY;