About: http://webisa.webdatacommons.org/112694760

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	The nasal mask of claim 50, wherein the portion of said side wall that is other than straight is more compressible than at least a portion of said side wall between said frame and the lip region. 52.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca