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经营范围
发明名称
Drehfunkfeuer
摘要
申请公布号
DE713534(C)
申请公布日期
1941.11.14
申请号
DE1938R102970D
申请日期
1938.07.29
申请人
RADIO CORPORATION OF AMERICA
发明人
LUCK DAVID GEORGE CROFT
分类号
G01S1/02;G01S19/48
主分类号
G01S1/02
代理机构
代理人
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