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发明名称
UEberwachungseinrichtung fuer Weichen- und Signalstellwerke
摘要
申请公布号
DE648788(C)
申请公布日期
1937.08.09
申请号
DE1934O021194D
申请日期
1934.04.08
申请人
ORENSTEIN & KOPPEL AKT.-GES.
发明人
MEYER DIPL.-ING. KARL
分类号
B61L7/06
主分类号
B61L7/06
代理机构
代理人
主权项
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