About: http://webisa.webdatacommons.org/398643059

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 shown in this embodiment, first open end 47 has an opening of generally elliptical shape, although other shapes, e.g. circular or rectangular, may be suitable.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com