About: http://webisa.webdatacommons.org/378442140

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	An apparatus according to claim 3 wherein said means for swivelling is a common mechanism for swivelling the mirrors.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com