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发明名称
Improvements in or relating to telecommunications exchange systems
摘要
申请公布号
GB1062208(A)
申请公布日期
1967.03.15
申请号
GB19650041296
申请日期
1965.09.29
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H04Q1/24;H04Q3/54
主分类号
H04Q1/24
代理机构
代理人
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