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发明名称
Schaltungsanordnung für elektrische Fernmeldeanlagen mit wenigstens teilweisem Wählerbetrieb
摘要
申请公布号
AT167988(B)
申请公布日期
1951.03.27
申请号
ATD167988
申请日期
1948.03.02
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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