About: http://webisa.webdatacommons.org/48513812

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	National Oilwell makes equipment for production of oil and natural gas, while Robbins & Myers makes pumps and other equipment that control the flow of oil and gas in drilling operations.
http://www.w3.org/ns/prov#wasQuotedFrom	yahoo.com