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发明名称
Procédé de balisage radioélectrique d'un axe vertical à usage des aéronefs
摘要
申请公布号
FR1144037(A)
申请公布日期
1957.10.08
申请号
FRD1144037
申请日期
1952.08.20
申请人
发明人
SUBRA JACQUES-JEROME-HENRI
分类号
G01S1/02
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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