About: http://webisa.webdatacommons.org/97814605

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 filter 50 is provided between the sound propagation hole 15 and the speaker 10 so as to prevent any foreign substance, such as dust, from getting into the speaker 10.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com