PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This invention relates to the purging and pumping of a vacuum chamber, and more particularly to a method of pumping to ultra-high vacuum, a vacuum chamber suitable for use in the manufacture of integrated circuit structures.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.fr