PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • On the other hand, the practicer can properly provide the optical path, as indicated by arrows in FIG. 23C, with an optical system such as an optical lens, a film having a polarizing function, a film for adjusting the phase difference, or an IR film.
http://www.w3.org/ns/prov#wasQuotedFrom
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