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发明名称
Sicherheitsschaltung in Verbindung mit Prüf- und Meldeeinrichtung für elektrische Signaleinrichtungen, insbesondere für Eisenbahnsicherungsanlagen.
摘要
申请公布号
AT151056(B)
申请公布日期
1937.10.25
申请号
ATD151056
申请日期
1936.06.04
申请人
ROBERT URBANSKI
发明人
ROBERT URBANSKI
分类号
主分类号
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