About: http://webisa.webdatacommons.org/364008580

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 telephone line coupler is used to connect electronic equipment, such as a telephone or alarm system to a telephone line, while providing electrical isolation.
http://www.w3.org/ns/prov#wasQuotedFrom	canadapatentblog.com