About: http://webisa.webdatacommons.org/255019497

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	June 22, 2011, ... ??? Why tachometers and mechanical-based contact encoders are an inaccurate method for measuring length and speed ??? How LaserSpeed non-contact, laser measurement works ??? How LaserSpeed ...
http://www.w3.org/ns/prov#wasQuotedFrom	pffc-online.com