'instance:identifier ref'

http://finregont.com/fro/xbrl/instance.ttl#identifierRef
Property 'instance:identifier ref'

sxml:tag

http://www.xbrl.org/2003/instance#identifier

rdf:type

owl:ObjectProperty

rdfs:label

identifier ref

References
as rdfs:subClassOf (instance:Context entity type, instance:Context entity type)