About: http://webisa.webdatacommons.org/285237607

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	Various secondary sources such as directories and databases have been used to identify and collect information for this extensive commercial study of artificial lift systems market.
http://www.w3.org/ns/prov#wasQuotedFrom	researchandmarkets.com