Schaltungsanordnung fuer Fernsprechanlagen,申请号DE1931F072287D-传众专利搜索

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法人/股东/高管

发明名称	Schaltungsanordnung fuer Fernsprechanlagen
摘要
申请公布号	DE711910(C)	申请公布日期	1941.10.08
申请号	DE1931F072287D	申请日期	1931.11.28
申请人	TELEFONBAU UND NORMALZEIT LEHNER & CO.;AUGUST HEIBEL	发明人
分类号	H04M15/10	主分类号	H04M15/10
代理机构		代理人
主权项
地址

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