About: http://webisa.webdatacommons.org/97712480

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 understood, structures other than retaining rings may be used to secure the lens element 610, the alignment element 104 and/or the frame 106, as described.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com