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发明名称
Electronic switching telephone system
摘要
申请公布号
GB1040639(A)
申请公布日期
1966.09.01
申请号
GB19640044312
申请日期
1964.10.30
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H04M7/10;H04Q3/00;H04Q3/52
主分类号
H04M7/10
代理机构
代理人
主权项
地址
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