About: http://webisa.webdatacommons.org/264073674

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	tube, e.g. by welding or by longitudinally slitting the walls instead of being held by a screw.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com