About: http://webisa.webdatacommons.org/150340533

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	FIG. 9a is a top plan view of the serf-operated stopping pit used in a grand prix circuit according to the invention with the stopper bar aligned to permit passage;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com