About: http://webisa.webdatacommons.org/174429291

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 fluid measurement gauge as recited in claim 18 wherein said magnetic sensor is a Hall-effect device for detecting the proximity of said magnet.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au