Schaltungsanordnung für Fernsprechanlagen mit Zentralbatterie.,申请号ATD131002-传众专利搜索

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发明名称	Schaltungsanordnung für Fernsprechanlagen mit Zentralbatterie.
摘要
申请公布号	AT131002(B)	申请公布日期	1932.12.27
申请号	ATD131002	申请日期	1930.09.08
申请人	TELEFONAKTIEBOLAGET L. M. ERICSSON	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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