About: http://webisa.webdatacommons.org/405863515

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	The present invention has relation to flow meters for measuring steam, gases, or other liquids or fluids and refers more particularly to a clean-out device for; Pitot tubes used in connection with said flow meters.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com