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发明名称
Schaltungsanordnung fuer Fernsprechanlagen mit in Unteraemtern angeordneten Mitlaeufern
摘要
申请公布号
DE707539(C)
申请公布日期
1941.06.25
申请号
DE1939S136101D
申请日期
1939.03.01
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
ZIRZOW EGON;TOEPFER HERBERT
分类号
H04Q3/58
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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