ISO 10303-214:2010(E)
An Item_definition_instance_relationship is a relationship between a Design_discipline_item_definition and an Item_instance.
Except if specified in a specialization of this object, this relationship does not involve inheritance of data between the two related objects .
Each Item_definition_instance_relationship is a Collected_item_association, a Mated_item_association, an Assembly_component_relationship, or a General_item_definition_instance_relationship.
The data associated with an Item_definition_instance_relationship are the following:
The related specifies the Item_instance that is part of the Item_definition_instance_relationship.
NOTE The semantics of this attribute are defined by the specializations of Item_definition_instance_relationship.
See item_definition_instance_relationship to item_instance for the application assertion.
The relating specifies the Design_discipline_item_definition that is part of the Item_definition_instance_relationship.
NOTE The semantics of this attribute are defined by the specializations of Item_definition_instance_relationship.
See item_definition_instance_relationship to design_discipline_item_definition for the application assertion.
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