Schaltungsanordnung für elektronische Verzonungseinrichtungen in Fernmelde-, insbesondere Fernsprechanlagen,申请号ATD199710-传众专利搜索

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发明名称	Schaltungsanordnung für elektronische Verzonungseinrichtungen in Fernmelde-, insbesondere Fernsprechanlagen
摘要
申请公布号	AT199710(B)	申请公布日期	1958.09.25
申请号	ATD199710	申请日期	1957.10.19
申请人	SIEMENS SOCIETA PER AZIONI	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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