About: http://webisa.webdatacommons.org/434024974

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	FIG. 7 is a graph showing the acoustical response of sound in a room before and after the application of the apparatus and method of this invention and the electrical response necessary to accomplish the acoustical response;
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com