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发明名称
Zugbeeinflussungseinrichtung mit Wachsamkeitsvorrichtung
摘要
申请公布号
DE492255(C)
申请公布日期
1930.02.22
申请号
DE1928S084662D
申请日期
1928.03.16
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
LUEDDECKE DIPL.-ING. KARL
分类号
B60L3/02;B61L3/00
主分类号
B60L3/02
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代理人
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