<http://caligraph.org/ontology/Tank_introduced_in_1941>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Military_vehicle_introduced_from_1940_to_1944> .
<http://caligraph.org/ontology/Tank_introduced_in_1941>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Tank> .
<http://caligraph.org/ontology/Tank_introduced_in_1941>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Tanks_introduced_in_1941> .
<http://caligraph.org/ontology/Tank_introduced_in_1941>	<http://www.w3.org/2000/01/rdf-schema#label>	"Tank introduced in 1941" .
<http://caligraph.org/ontology/Tank_introduced_in_1941>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .