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经营范围
发明名称
Improvements in or relating to radio navigational systems
摘要
申请公布号
GB638342(A)
申请公布日期
1950.06.07
申请号
GB19440015862
申请日期
1944.08.18
申请人
STANDARD TELEPHONES AND CABLES LIMITED;CHARLES ERIC STRONG;LOUIS JOHN HEATON-ARMSTRONG
发明人
分类号
G01S1/08;G01S1/68
主分类号
G01S1/08
代理机构
代理人
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地址
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