About: http://webisa.webdatacommons.org/317271171

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 detector as in claim 1 wherein the sensor is a gas sensor and including a gas specifying pre-stored verbal message to reinforce a respective tonal output pattern, indicative of sensed gas.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr