About: http://webisa.webdatacommons.org/426135431

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 invention relates more particularly to a device having a persistent electrochromic display means for measuring electric current flow and indicating this flow on a graduated scale.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com