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发明名称
AUTOMATIC APPROACH SYSTEM FOR AIRCRAFT
摘要
申请公布号
CA689765(A)
申请公布日期
1964.06.30
申请号
CAD689765
申请日期
申请人
SPERRY RAND CORPORATION
发明人
RICHARD A. LETSON
分类号
主分类号
代理机构
代理人
主权项
地址
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