Improvements in and relating to means for determining the relative speed and direction of travel between the earth's surface and any arbitrary reference on a vehicle
摘要
申请公布号
GB803520(A)
申请公布日期
1958.10.29
申请号
GB19530025391
申请日期
1953.09.14
申请人
GENERAL PRECISION LABORATORY INCORPORATED
发明人
BERGER FRANCE BARNET;TULL WILLIAM JAMES;GRAY JOHN WIGHTMAN
