PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • m, and also provides better access in low overhead clearance situations.In fiber optic trough systems, it is sometimes desirable to provide a cover for the interior of the trough system to prevent dust, parts, tools and other debris from falling into the interior of the fiber trough.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com