<http://caligraph.org/resource/PD_5500>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"PD 5500" .
<http://caligraph.org/resource/PD_5500>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/PD_5500> .
<http://caligraph.org/resource/PD_5500>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/PD_5500>	<http://www.w3.org/2000/01/rdf-schema#label>	"PD 5500" .
<http://caligraph.org/resource/PD_5500>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Structural_engineering_standard> .
<http://caligraph.org/resource/PD_5500>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Structural_engineering_standards> .
<http://caligraph.org/resource/PD_5500>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Pressure_vessels> .
<http://caligraph.org/resource/PD_5500>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Pressure_vessel> .