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发明名称
CALL METER SIGNAL RECEIVER FOR SUBSCRIBER'S PRIVATE METERING OF TELEPHONE SYSTEM
摘要
申请公布号
EP0238972(A3)
申请公布日期
1989.04.26
申请号
EP19870103833
申请日期
1987.03.17
申请人
FUJITSU LIMITED
发明人
SATO, KAZUHIRO;IIJIMA, YOSHIMI;MORI, HIROYOSHI
分类号
H04M15/34;(IPC1-7):H04M15/34;H04M15/28
主分类号
H04M15/34
代理机构
代理人
主权项
地址
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