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发明名称
CALLING LINE IDENTIFICATION SYSTEM
摘要
申请公布号
CA495790(A)
申请公布日期
1953.09.01
申请号
CAD495790
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
RALPH E. HERSEY
分类号
主分类号
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代理人
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