<http://webisa.webdatacommons.org/188731467>	<http://www.w3.org/ns/prov#value>	"No. 463,781 filed Jun. 14, 1965, entitled ABRASIVE FLOW SYSTEM AND METHODS, now abandoned, apparatus and methods were disclosed for cleaning storage tanks and other structures." .
<http://webisa.webdatacommons.org/188731467>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/prov/290195752>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/188731467> .
<http://webisa.webdatacommons.org/188731467>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .