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发明名称
Calling line identifier having display device at operator's position
摘要
申请公布号
US2532750(A)
申请公布日期
1950.12.05
申请号
US19470754562
申请日期
1947.06.13
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED
发明人
BAKER GEORGE THOMAS
分类号
H04M3/64;H04M15/08
主分类号
H04M3/64
代理机构
代理人
主权项
地址
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