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发明名称
METHOD AND APPARATUS FOR DETECTING DIGITAL CARRIER SIGNALS ON TELEPHONE CABLES
摘要
申请公布号
EP0565609(A4)
申请公布日期
1993.12.08
申请号
EP19920903494
申请日期
1991.12.23
申请人
INDUSTRIAL TECHNOLOGY, INC
发明人
BUZBEE, JAMES, M.;CONNALLY, DOUGLAS, R.
分类号
H04M3/24;(IPC1-7):H03K9/00
主分类号
H04M3/24
代理机构
代理人
主权项
地址
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