About: http://webisa.webdatacommons.org/167052570

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 term orifice or orifice openings used in the claims is intended to cover various types of pressuredropping means such as the conventional pivot tube, venturi, nozzle and sharp and round edged orifices.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr