About: http://webisa.webdatacommons.org/205768865

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	Measurements are elements such as range in volts, frequency in kilohertz or harmonic (an integer number).
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com