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发明名称
IMPROVEMENTS IN OR RELATING TO ELECTRICAL ATTENUATION EQUALIZER CIRCUITS
摘要
申请公布号
GB1274270(A)
申请公布日期
1972.05.17
申请号
GB19690047759
申请日期
1969.09.29
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
分类号
H03H11/04;H03F1/12;H03F3/19
主分类号
H03H11/04
代理机构
代理人
主权项
地址
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