About: http://webisa.webdatacommons.org/70887136

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	Apparatus according to claim 15, including reflector means extending axially of the first shield and having the lamps spaced around it so as to reflect their radiant heat outwardly.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com