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发明名称
Verfahren und Vorrichtung zur Verminderung von Kopplungen in Fernsprechkabeln.
摘要
申请公布号
AT141009(B)
申请公布日期
1935.03.11
申请号
ATD141009
申请日期
1930.07.28
申请人
HACKETHAL-DRAHT- UND KABEL-WERKE AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
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