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发明名称
DIGITAL NETWORK SYSTEM HAVING ARRANGEMENT FOR TESTING DIGITAL SUBSCRIBER LINE
摘要
申请公布号
EP0202648(A3)
申请公布日期
1989.03.15
申请号
EP19860106816
申请日期
1986.05.20
申请人
FUJITSU LIMITED
发明人
OGAWA, YASUNORI;TSUTSUMI, KENJI;TANAKA, YASUO;SHIMOZONO, RYOJI
分类号
H04M3/30;H04M3/24;H04Q11/04;(IPC1-7):H04M3/30
主分类号
H04M3/30
代理机构
代理人
主权项
地址
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