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发明名称
Verfahren zur Herstellung von viererverseilten Fernsprechkabeln ohne schädliche Nebensprechkopplungen.
摘要
申请公布号
CH159241(A)
申请公布日期
1932.12.31
申请号
CHD159241
申请日期
1930.07.09
申请人
HACKETHAL-DRAHT- UND KABEL-WERKE AKTIENGESELLSCHAFT
发明人
AKTIENGESELLSCHAFT HACKETHAL-DRAHT- UND KABEL-WERKE
分类号
主分类号
代理机构
代理人
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