About: http://webisa.webdatacommons.org/378202764

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 the past, attempts have been made to increase the lighting efficiency of flow-thru troffers by providing a reflector such as the reflector 30 illustrated in connected with the right bulb in FIG. 2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr