About: http://webisa.webdatacommons.org/423400884

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	The present invention relates to telephones and in particular to telephone sets which include electronic circuitry powered from line current not taken from the telephone network.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com