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发明名称
Improvements relating to automatic telephone and like selective systems
摘要
申请公布号
GB856971(A)
申请公布日期
1960.12.21
申请号
GB19560023746
申请日期
1956.08.01
申请人
SIEMENS EDISON SWAN LIMITED
发明人
WARMAN BLOOMFIELD JAMES
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
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