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发明名称
Anordning til Indtrækning af Stærk- og Svagstrømskabler i Jorden.
摘要
申请公布号
DK46390(C)
申请公布日期
1932.10.31
申请号
DKD46390
申请日期
1929.11.04
申请人
FERDINAND WILKENS
发明人
FERDINAND WILKENS
分类号
主分类号
代理机构
代理人
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