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发明名称
DISPLAY SYSTEM FOR EXTERNAL LINE OUTGOING INCOMING CALL NUMBER FOR PUSHBUTTON TELEPHONE SET
摘要
申请公布号
JPH03252290(A)
申请公布日期
1991.11.11
申请号
JP19900050658
申请日期
1990.02.28
申请人
NEC CORP
发明人
MATSUMURA HIDEKO
分类号
H04Q3/58
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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