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发明名称
SIGNALBEHANDLENDE KRETSANORDNING FOR LYDSIGNALER OVER EN ABONNENTLINJE.
摘要
申请公布号
NO820513(A)
申请公布日期
1982.02.18
申请号
NO19820000513
申请日期
1982.02.18
申请人
TELEFONAKTIEBOLAGET L M ERICSSON,
发明人
MAGNUSSON, BENGT GUNNAR,;SVENSSON, LARS TOMMY EDWARD,;ROOS, STURE GOESTA,;APFEL, RUSSELL JAY,
分类号
H04M1/00;H03H17/00;H03K;H03M1/00;H04B;H04B1/66;H04B3/02;H04B14/04;H04M1/253;H04Q3/42;H04Q11/04;(IPC1-7):H04B/;H03K/
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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