ISO 10303-214:2010(E)
An Assembly_substitute_relationship is a relationship that indicates that one Assembly_component_relationship may be substituted for another Assembly_component_relationship. The subjects of the substitution are the related Item_instance objects of both Assembly_component_relationship objects. The relating Assembly_definition shall be the same in both Assembly_component_relationship objects.
The data associated with an Assembly_substitute_relationship are the following:
The base specifies the Assembly_component_relationship that is replaceable.
See Assembly_substitute_relationship to assembly_component_relationship for the application assertion.
The description specifies additional information about the Assembly_substitute_relationship.
See Assembly_substitute_relationship to multi_language_string for the application assertion.
The description need not be specified for a particular Assembly_substitute_relationship.
If present, there shall be exactly one object that defines the description for an Assembly_substitute_relationship.
The substitute specifies the Assembly_component_relationship that may be used instead of the base Assembly_component_relationship.
See Assembly_substitute_relationship to assembly_component_relationship for the application assertion.
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