About: http://webisa.webdatacommons.org/411485500

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 arrangement of the invention provides for a quick and easy installation or exchange of an alarm unit, emergency light or other electrical device onto a pre-installed mounting plate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com