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http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • We perform pressure vessel, heat exchanger and boiler component ASME code repair, maintenance, and alteration services for a variety of industrial market sectors including oil and gas refining, chemical processing, petrochemical refining, steel mills, paper mills, pulp mills, fossil power generation, nuclear power generation and renewable energy.
http://www.w3.org/ns/prov#wasQuotedFrom
  • halvorsenusa.com