About: http://webisa.webdatacommons.org/267223690

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	In other embodiments, such as shown in FIG. 5, the slits can be formed in a spiral pattern which can result in substantially helical arms 420 a, 420 b.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es