About: http://webisa.webdatacommons.org/199991939

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	No. 629,850, file date July 11, 1984 for Bank and Pitch Indicator, if such improvement is deemed necessary as may be the case should the aircraft have a wide variation of speed capability.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com