PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • FIG. 1a is a side view in partial section of a cleaning system in accordance with this invention for cleaning a large ID pipe, such as a 21??? ID main riser pipe.
http://www.w3.org/ns/prov#wasQuotedFrom
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