About: http://webisa.webdatacommons.org/50072665

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	A system according to claim 49, further including means for regulating the desired current magnitude in response to the current value of the ac current. 51.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com