Способ освобождения приборов автоматических телефонных станций,申请号SU19510442000-传众专利搜索

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发明名称	Способ освобождения приборов автоматических телефонных станций
摘要
申请公布号	SU97515(A1)	申请公布日期	1953.11.30
申请号	SU19510442000	申请日期	1951.01.27
申请人	FARAFONOV L.S.	发明人	FARAFONOV L.S.
分类号	H04M3/00	主分类号	H04M3/00
代理机构		代理人
主权项
地址

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