<http://webisa.webdatacommons.org/100725377>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freshpatents.com> .
<http://webisa.webdatacommons.org/100725377>	<http://www.w3.org/ns/prov#value>	"The sum of the integrals thus obtained for each pipe is plotted on a graph where the frequency is a parameter." .
<http://webisa.webdatacommons.org/prov/351288493>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/100725377> .
<http://webisa.webdatacommons.org/100725377>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .