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发明名称
CALL-BACK SYSTEM TO INCOMING CALL
摘要
申请公布号
JPH0646143(A)
申请公布日期
1994.02.18
申请号
JP19920100112
申请日期
1992.04.21
申请人
NEC CORP
发明人
KONDO YASUTAKA
分类号
H04M3/42;H04Q3/58;H04Q3/78;(IPC1-7):H04M3/42
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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