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经营范围
发明名称
Improvements in or relating to radio transmitters
摘要
申请公布号
GB620444(A)
申请公布日期
1949.03.24
申请号
GB19470001632
申请日期
1947.01.17
申请人
STANDARD TELEPHONES AND CABLES LIMITED;JOHN GORDON WILLIS
发明人
分类号
G01R29/06;H04L27/04
主分类号
G01R29/06
代理机构
代理人
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