PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • FIG. 1 is a representation of voltage and current waveforms in a prior art electronic ballast with no APFC or valley-fill circuits with idealized waveforms shown as dashed lines;
http://www.w3.org/ns/prov#wasQuotedFrom
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