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发明名称
Schaltungsanordnung zur Pruefung von Zeichen-kanaelen in Fernmeldeanlagen
摘要
申请公布号
DE1168506(B)
申请公布日期
1964.04.23
申请号
DE1961S075762
申请日期
1961.09.15
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
BRETSCHNEIDER HANS
分类号
H04J1/16
主分类号
H04J1/16
代理机构
代理人
主权项
地址
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