About: http://webisa.webdatacommons.org/159206434

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 present invention overcomes the above-noted and other shortcomings of the prior art and satisfies the aforementioned needs by providing a novel and improved annulus pressure operated vent assembly.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr