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发明名称
SYSTEM FOR CONFIRMING SUBSCRIBER NUMBER
摘要
申请公布号
JPS6460139(A)
申请公布日期
1989.03.07
申请号
JP19870217223
申请日期
1987.08.31
申请人
NEC ENG LTD
发明人
YAMAUCHI YOSHIKAZU
分类号
H04M3/22;H04M3/42
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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