About: http://webisa.webdatacommons.org/276696200

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 mask system 14 may be integrally attached to the air delivery hose 16 or may be connected thereto with fasteners, such as clamps, for replacement or interchangeability of the mask system 14.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com