About: http://webisa.webdatacommons.org/450367884

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	into a plurality of expandable arms 123 by cutting slots between the arms 123 and heat treating the arms 123 to provide the desired shape, e.g. hemispherical in this case.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr