Schaltungsanordnung fuer Zwischenstellenumschalter in selbsttaetigen Fernsprechanlagen,申请号DE1931B152285D-传众专利搜索

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发明名称	Schaltungsanordnung fuer Zwischenstellenumschalter in selbsttaetigen Fernsprechanlagen
摘要
申请公布号	DE571527(C)	申请公布日期	1933.03.01
申请号	DE1931B152285D	申请日期	1931.09.29
申请人	BRUCKNER & STARK	发明人
分类号	H04Q5/00	主分类号	H04Q5/00
代理机构		代理人
主权项
地址

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