About: http://webisa.webdatacommons.org/281219982

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	The fixed head unit 31 is provided with optical elements, such as a semiconductor laster 1, a collimator lens 2, polarization beam splitters 3, 6 and 7, a condenser lens 5, a servo sensor 8, an RF sensor 9 and so on.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr