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发明名称
SYSTEM FOR RESTRICTING INCOMING CALL
摘要
申请公布号
JPS6243949(A)
申请公布日期
1987.02.25
申请号
JP19850184702
申请日期
1985.08.21
申请人
NEC CORP
发明人
ITO KIYOTSUGU
分类号
H04Q3/58;G10L11/00;G10L15/00;H04M3/38;H04M3/42
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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