About: http://webisa.webdatacommons.org/9668669

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	No. 268,275, filed July 3, I972, now abandoned, and the present method and apparatus is an improvement of said method.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com