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发明名称
Improvements in or relating to communication circuit arrangements
摘要
申请公布号
GB944736(A)
申请公布日期
1963.12.18
申请号
GB19610030908
申请日期
1961.08.28
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
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