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<http://dbpedia.org/resource/Category:Petroleum_technology>	<http://www.w3.org/2004/02/skos/core#broader>	<http://dbpedia.org/resource/Category:Fuel_technology> .
<http://dbpedia.org/resource/Category:Petroleum_technology>	<http://www.w3.org/2004/02/skos/core#broader>	<http://dbpedia.org/resource/Category:Petroleum_engineering> .
<http://dbpedia.org/resource/Category:Petroleum_technology>	<http://www.w3.org/2004/02/skos/core#broader>	<http://dbpedia.org/resource/Category:Chemical_processes> .
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<http://dbpedia.org/resource/Category:Petroleum_technology>	<http://dbpedia.org/ontology/wikiPageRevisionID>	"1086961074"^^<http://www.w3.org/2001/XMLSchema#integer> .
<http://dbpedia.org/resource/Category:Petroleum_technology>	<http://dbpedia.org/property/wikiPageUsesTemplate>	<http://dbpedia.org/resource/Template:Commonscat> .