About: http://webisa.webdatacommons.org/309988836

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 housing 102 may include one or more housing apertures 112 to facilitate delivery of sound, including voice and music, to
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com