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发明名称
TELEPHONE SET OF NUMBER DELIVERY
摘要
PURPOSE:To confirm call tone by display at incoming side and to effectively utilize a telephone as an information terminal, by delivering an outgoing telephone number during intervals of a call signal.
申请公布号
JPS54504(A)
申请公布日期
1979.01.05
申请号
JP19770065533
申请日期
1977.06.02
申请人
MITSUBISHI ELECTRIC CORP
发明人
SHIYOUDA SHIGEO
分类号
H04M3/42;H04M1/57
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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