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经营范围
发明名称
Improvements in or relating to gain and attenuation control circuit arrangements
摘要
申请公布号
GB1125753(A)
申请公布日期
1968.08.28
申请号
GB19650002377
申请日期
1965.01.19
申请人
THE MARCONI COMPANY LIMITED
发明人
FENTON ROGER WAKEFIELD;COOPER GEORGE LESLIE
分类号
H03G1/00;H03G1/02
主分类号
H03G1/00
代理机构
代理人
主权项
地址
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