<http://webisa.webdatacommons.org/prov/426357877>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/12175258> .
<http://webisa.webdatacommons.org/12175258>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/12175258>	<http://www.w3.org/ns/prov#value>	"In the cylinder 11' there is engaged a tubular sleeve 30' which is made of an appropriate plastics material such as polyethylene." .
<http://webisa.webdatacommons.org/12175258>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.fr> .