PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Reliable provides forged, seamless & welded elbows (pipe fitting) of types 90?? Elbows, 45?? Elbows, 180?? Elbow of socket weld, threaded type to ANSI B 16.5 from classes 2000 to 9000 and Schedules from 10 to 160.
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  • topfitting.com