PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These required voltages or currents Ve, Ie, Vs, Is can be of any kind, i.e. positive or negative, DC or AC. This facility for choosing the voltages Ve, Ie, Vs, Is supplied makes the order of the components 3, 5 at the input and at the output of the coupling device 1 unimportant.
http://www.w3.org/ns/prov#wasQuotedFrom
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