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发明名称
CALL INCOMING REFUSAL SYSTEM
摘要
申请公布号
JPH03183250(A)
申请公布日期
1991.08.09
申请号
JP19890323302
申请日期
1989.12.12
申请人
NEC CORP;NEC ENG LTD
发明人
ISHIHARA SHINICHI;ISHIKAWA KENTARO
分类号
H04M3/42;H04M3/533
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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