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发明名称
Verfahren und Schaltungsanordnung zur UEberwachung von stoearnfaelligen UEbertragungswegen, insbesondere Telegrafieuebertragungsstrecken
摘要
申请公布号
DE1235983(B)
申请公布日期
1967.03.09
申请号
DE196500S9564
申请日期
1965.09.22
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
WIRTH PETER
分类号
H04L1/00
主分类号
H04L1/00
代理机构
代理人
主权项
地址
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