PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Note that although valve 124 is shown and referred to as a gate valve, those of ordinary skill in the art will recognize that many alternative types of valves may be used which have a throttling effect on the flow of gas between the process chamber and the vacuum pump.
http://www.w3.org/ns/prov#wasQuotedFrom
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