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发明名称
Einrichtung zur Anzeige der Fahrtrichtung eines Zuges.
摘要
申请公布号
AT117914(B)
申请公布日期
1930.06.10
申请号
ATD117914
申请日期
1928.07.26
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
DR. HERMANN ARNDT
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主分类号
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