PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 20080298056LIGHT FIXTURE WITH REPLACEABLE OPTICS - The present invention concerns a method for replacing optical elements and a light fixture containing at least one light source for illumination, including a system for fastening and replacing at least one optical element by means of magnetic attachment.
http://www.w3.org/ns/prov#wasQuotedFrom
  • faqs.org