<http://webisa.webdatacommons.org/170808272>	<http://www.w3.org/ns/prov#value>	"The apparatus according to claim 1, including in addition thereto, a casing scraper sub connected within said tubing string of pipe below said tubular sub." .
<http://webisa.webdatacommons.org/prov/185685754>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/170808272> .
<http://webisa.webdatacommons.org/170808272>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/170808272>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .