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发明名称
CHARGING SYSTEM FOR SUBSCRIBER TELEPHONE SYSTEM
摘要
申请公布号
JPH04156757(A)
申请公布日期
1992.05.29
申请号
JP19900282214
申请日期
1990.10.19
申请人
NEC CORP
发明人
KOBAYASHI HIDEHARU;OKUDA JIRO
分类号
H04M15/00;G07F7/08;H04M17/00;H04M17/02
主分类号
H04M15/00
代理机构
代理人
主权项
地址
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