About: http://webisa.webdatacommons.org/407666247

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	It is a further purpose of the present invention to provide new and improved apparatus and methods for automatically focusing optical apparatus, and especially eyeglasses and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au