About: http://webisa.webdatacommons.org/284919701

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	It is a still further object of the present invention to provide such a device including an electrical circuit designed to allow location of metallic objects such as for example, an electrical box hidden behind an existing wall.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com