About: http://webisa.webdatacommons.org/230700576

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 provides apparatus and a method for installing production casings, conduits, flow pipes and the like underneath and spanning an obstacle such as a river.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com