About: http://webisa.webdatacommons.org/335253109

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	Referring to the drawings, and especially to FIG. 1, a re-breathing device 10 is provided with a nose/mouth mask 11 which is connected by a tube 12 to a control valve 13.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es