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发明名称
Vorrichtung zum Schliessen oder OEffnen einer oder mehrerer mit Gleichstrom oder Wechselstrom beschickter Signalleitungen
摘要
申请公布号
DE540186(C)
申请公布日期
1931.12.11
申请号
DE1928Z018022D
申请日期
1928.12.08
申请人
ALOIS ZETTLER ELEKTROTECHNISCHE FABRIK G.M.B.H.
发明人
分类号
G08B5/00
主分类号
G08B5/00
代理机构
代理人
主权项
地址
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