About: http://webisa.webdatacommons.org/392268091

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	Referring to FIG. 4, the ballast 40 constructed according to a third preferred embodiment of the present invention is mostly the same as the first preferred embodiment but different merely by the following recitation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com