About: http://webisa.webdatacommons.org/278740213

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 unnecessary to construct a bandpass filter by mounting such elements as a coil, capacitor and resistor on a printed circuit board and to construct a rectifier circuit by mounting diodes or the like on a printed circuit board.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com