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发明名称
Automatic branch telephone exchange
摘要
申请公布号
GB908852(A)
申请公布日期
1962.10.24
申请号
GB19590016190
申请日期
1959.11.12
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
KING JOHN ARTHUR BARFIELD
分类号
H04Q3/62
主分类号
H04Q3/62
代理机构
代理人
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地址
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