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发明名称
Improvements relating to trunk communication cable installations for the transmission of high frequency currents
摘要
申请公布号
GB430992(A)
申请公布日期
1935.06.28
申请号
GB19330036496
申请日期
1933.12.28
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H01B7/00
主分类号
H01B7/00
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代理人
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