Mikrotelephon,申请号DE1930T040009D-传众专利搜索

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发明名称	Mikrotelephon
摘要
申请公布号	DE575689(C)	申请公布日期	1933.05.02
申请号	DE1930T040009D	申请日期	1930.05.23
申请人	TELEPHON- UND TELEGRAPHENFABRIKS A.-G. KAPSCH & SOEHNE	发明人
分类号	H04M1/03	主分类号	H04M1/03
代理机构		代理人
主权项
地址

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