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发明名称
REVISING SYSTEM FOR TELEPHONE CALL CHARGE
摘要
申请公布号
JPH01261965(A)
申请公布日期
1989.10.18
申请号
JP19880092088
申请日期
1988.04.13
申请人
NEC ENG LTD
发明人
KAWATE KAZUHIRO
分类号
H04M15/34
主分类号
H04M15/34
代理机构
代理人
主权项
地址
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