| Application module: Part external reference | ISO/TS 10303-1711:2018-11(E) © ISO | 
         (*
ISO/TC 184/SC 4/WG 12 N9354 - ISO/TS 10303-1711 Part external reference - EXPRESS ARM
Supersedes 
         ISO/TC 184/SC 4/WG 12 N7687
*)
         
SCHEMA Part_external_reference_arm;
         USE FROM
         Part_template_arm;
            -- ISO/TS 10303-1722
ENTITY Package_external_reference;
           design_owner : STRING;
           part_number : STRING;
           revision_code : STRING;
           product_definition_id : STRING;
         
         END_ENTITY;
ENTITY Package_terminal_external_reference;
           name : STRING;
           associated_definition : Package_external_reference;
UNIQUE
           UR1: associated_definition, name;
         
         END_ENTITY;
ENTITY Part_terminal_external_reference
           SUBTYPE OF (General_part_feature);
UNIQUE
           UR1: SELF\Part_shape_element.associated_definition, SELF\Shape_element.element_name;
WHERE
           WR1: SIZEOF(['PART_VIEW_DEFINITION_ARM.PART_VIEW_DEFINITION', 'PART_TEMPLATE_ARM.TEMPLATE_DEFINITION'] 
            * TYPEOF(SELF\Shape_element.associated_definition)) <> 0;
         
         END_ENTITY;
         END_SCHEMA;  -- Part_external_reference_arm
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