About: http://webisa.webdatacommons.org/253538405

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 18 including a whistle for receiving exhaled air whereby the whistle may be sounded to facilitate locating an individual using the emergency breathing system.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es