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发明名称
Anordnung zum Signalisieren mit mehrfach eingespeisten Beleuchtungsanlagen im Untertagebetrieb
摘要
申请公布号
DE969900(C)
申请公布日期
1958.07.31
申请号
DE1954S041082
申请日期
1954.10.01
申请人
SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT
发明人
HEYN DIPL.-ING. ALFRED
分类号
E21F17/18
主分类号
E21F17/18
代理机构
代理人
主权项
地址
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