Устройство для увеличения емкости автоматических телефонных станций машинной системы,申请号SU19390001608-传众专利搜索

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发明名称	Устройство для увеличения емкости автоматических телефонных станций машинной системы
摘要
申请公布号	SU58609(A1)	申请公布日期	1939.11.30
申请号	SU19390001608	申请日期	1939.04.09
申请人	AJZENBERG M.M.;BARK S.KH.	发明人	AJZENBERG M.M.;BARK S.KH.
分类号	H04M3/16	主分类号	H04M3/16
代理机构		代理人
主权项
地址

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