About: http://webisa.webdatacommons.org/264604619

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	d by superimposing a DC component on a predetermined AC waveform; and 68 represents a control means such as a microcomputer for controlling the output values of those power supplies.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au