About: http://webisa.webdatacommons.org/324362772

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	An example of these systems is disclosed in Japan Published Unexamined Patent Application No. 52-129841, entitled Air-to-Fuel Ratio Control System on Engine Closed Loop.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com