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发明名称
Schaltungsanordnung zur UEberwachung von mit Wechselstrom betriebenen Signallampen, insbesondere in Eisenbahnsicherungsanlagen
摘要
申请公布号
DE902625(C)
申请公布日期
1954.01.25
申请号
DE1949L000031
申请日期
1949.10.07
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
HELMERT ROBERT
分类号
B61L5/18
主分类号
B61L5/18
代理机构
代理人
主权项
地址
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