PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention relates mainly to distribution and/or processing devices for RF signals, in particular devices of the following types: signal combiner, signal splitter or divider, time multiplexer, time demultiplexer, frequency multiplexer, amplifier, attenuator, variable delay lines, and a vector modulator type circuit for signal shaping.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com