About: http://webisa.webdatacommons.org/263494193

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	A system according to claim 20and further including means for adjusting the magnitude of the fluid pressure variations applied to the diaphragm to emulate different head height conditions. 22.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com