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经营范围
发明名称
Fremgangsmaade og Apparat til Udligning af Firledertelefonkabler.
摘要
申请公布号
DK46921(C)
申请公布日期
1933.02.13
申请号
DKD46921
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
代理人
主权项
地址
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