About: http://webisa.webdatacommons.org/336278514

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. 2A is a schematic diagram of an improved optical head for use with optical read-out apparatus in accordance with the present invention;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com