About: http://webisa.webdatacommons.org/109932436

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	Japanese Laid-Open patent application No. 37,149/1986 discloses a measuring apparatus including a detection system which determines positions in two directions.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com