Релейный распределитель вызовов,申请号SU19290045551-传众专利搜索

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法人/股东/高管

发明名称	Релейный распределитель вызовов
摘要
申请公布号	SU40821(A1)	申请公布日期	1934.12.31
申请号	SU19290045551	申请日期	1929.04.20
申请人	TELEFONNOE AKTS. O-VO L.M. ERIKSON	发明人	K.G. DZHONSON
分类号	H04M3/06	主分类号	H04M3/06
代理机构		代理人
主权项
地址

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