PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention comprises a two-piece clamp ring, including a radial outer ring section or base ring which is normally secured directly to the supporting surface and a removable, radial inner ring section or securing ring which is employed for engaging and holding the semiconductor wafer or other workpiece when removably secured or assembled to the base ring.
http://www.w3.org/ns/prov#wasQuotedFrom
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