Fernsprechstation mit Wählschalter,申请号ATD170570-传众专利搜索

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发明名称	Fernsprechstation mit Wählschalter
摘要
申请公布号	AT170570(B)	申请公布日期	1952.03.10
申请号	ATD170570	申请日期	1950.06.17
申请人	SIEMENS & HALSKE AKTIENGESELLSCHAFT	发明人	FRITZ DOERING
分类号		主分类号
代理机构		代理人
主权项
地址

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