About: http://webisa.webdatacommons.org/308819334

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	In operation, the piezo-electric element 62 is supplied with one of two kinds of voltages whose waveforms are shown in FIG. 14 (a) and FIG. 14 (b).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com