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发明名称
Calling line identification circuit
摘要
申请公布号
GB547836(A)
申请公布日期
1942.09.14
申请号
GB19410008107
申请日期
1941.06.27
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H04M15/08
主分类号
H04M15/08
代理机构
代理人
主权项
地址
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