About: http://webisa.webdatacommons.org/30160752

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	Said drive means 13 is provided with a driving unit including a motor, and a position detector such as an encoder for detecting the position of the first and second optical element groups 21, 22.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com