About: http://webisa.webdatacommons.org/413920914

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	FIG. 20A is a top plan view of another variation of a retainer ring showing retractor members in closed position in an embodiment of the present invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com