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发明名称
Telegraphenanlage mit synchron umlaufenden Verteilern, bei der in einem beliebigen Zeitpunkt durch einen Stromstoss von einer Station aus ein gleichzeitiges Anlassen vonHilfsapparaten auf saemtlichen angeschlossenen Stationen vorbereitet wird
摘要
申请公布号
DE514659(C)
申请公布日期
1930.12.15
申请号
DE1928E038270D
申请日期
1928.11.13
申请人
ELECTRICAL RESEARCH PRODUCTS, INC.
发明人
分类号
H04L5/18
主分类号
H04L5/18
代理机构
代理人
主权项
地址
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