About: http://webisa.webdatacommons.org/273676957

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	As used herein, hemi-cylindrical or cylindrical shall be taken to be inclusive of a variety of tubular cross-sectional shapes other than circular, such as square, octagonal, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com