Anordnung für den Durchgangsverkehr bei Fernsprechanlagen.,申请号ATD132278-传众专利搜索

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发明名称	Anordnung für den Durchgangsverkehr bei Fernsprechanlagen.
摘要
申请公布号	AT132278(B)	申请公布日期	1933.03.10
申请号	ATD132278	申请日期	1929.12.31
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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