PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A gas necessary for processing operations such as etching the sample is supplied to the processing chamber 10 from a gas supplying unit 36 through the gas diffusion plate 32 of the gas introducing chamber 34, and holes 38 are provided in the in the upper electrode 12 and the upper electrode cover 30.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com