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发明名称
Improvements in and electronic switching system
摘要
申请公布号
GB1013593(A)
申请公布日期
1965.12.15
申请号
GB19610044101
申请日期
1961.12.08
申请人
AUTOMATIC ELECTRIC LABORATORIES, INC.
发明人
分类号
H04M7/10;H04Q3/52
主分类号
H04M7/10
代理机构
代理人
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