About: http://webisa.webdatacommons.org/175192880

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	FIG. 2 is a partially cut away simplified side elevational view of a partially assembled outer filter structure used in an expandable well screen embodying principles of the present invention;
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr