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经营范围
发明名称
Improvements in radio beacons
摘要
申请公布号
GB563075(A)
申请公布日期
1944.07.28
申请号
GB19400013289
申请日期
1940.08.21
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
G01S1/02;G01S3/08;G01S19/10;G01S19/21;G01S19/46;H01Q1/48
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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