About: http://webisa.webdatacommons.org/141954432

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	Although system 200 is illustrated and described as employing a thyratron, those skilled in the art will recognize that other types of switches may be employed, including, but not limited to, semiconductor switches.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com