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发明名称
VOLTAGE/CURRENT CONTROLLED ATTENUATOR
摘要
申请公布号
CA840556(A)
申请公布日期
1970.04.28
申请号
CAD840556
申请日期
申请人
CANADIAN MARCONI COMPANY
发明人
EDWARD D. ROSENTHAL
分类号
主分类号
代理机构
代理人
主权项
地址
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