About: http://webisa.webdatacommons.org/418315912

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	Bracket 322, on the other hand, is secured to the back of each ballast box by bolts, welding, or other means known within the art.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com