crm:E52_Time-Span
http://www.cidoc-crm.org/cidoc-crm/E52_Time-Span
rdfs:comment
http://www.w3.org/2000/01/rdf-schema#comment
This class comprises abstract ...... even if nothing else is known.
@en
graph:default
https://triplydb.com/cidoc/crm-7-1-2/graphs/default