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经营范围
发明名称
CHARGING SYSTEM
摘要
PURPOSE:To perform a charging to the toll trunk dial call of the subordinate station at the master station by transmitting the caller's telephone number to the master station from the subordinate station, and thus to reduce the cost of equipment.
申请公布号
JPS5422109(A)
申请公布日期
1979.02.19
申请号
JP19770086942
申请日期
1977.07.20
申请人
FUJITSU LTD
发明人
MAEDA JIYUN;KATSUKI TOSHIO
分类号
H04M15/32;H04M15/10;(IPC1-7):04M15/10
主分类号
H04M15/32
代理机构
代理人
主权项
地址
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