PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • FIG. 2a is a circuit diagram and FIGS. 2b-2d are illustrative waveforms for a prior art DC to DC buck converter;
http://www.w3.org/ns/prov#wasQuotedFrom
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