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经营范围
发明名称
Means for indicating the angle of orientation of a dirigible craft with respect to a desired path relative to ground
摘要
申请公布号
GB684315(A)
申请公布日期
1952.12.17
申请号
GB19490004466
申请日期
1949.02.18
申请人
OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AERONAUTIQUES (O.N.E.R.A.)
发明人
分类号
G01S1/54;G01S5/12
主分类号
G01S1/54
代理机构
代理人
主权项
地址
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