About: http://webisa.webdatacommons.org/287209084

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 mark sensor 15 is a reflection type photoelectric tube and has a light source, such as a light emitting diode.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com