About: http://webisa.webdatacommons.org/216274150

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	The downhole apparatus illustrated in FIGS. 2A-2F in conjunction with the lock of the present invention is an example of the upper packer section 8.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk