Способ реставрации граммзаписи,申请号SU19500434569-传众专利搜索

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发明名称	Способ реставрации граммзаписи
摘要
申请公布号	SU95458(A2)	申请公布日期	1952.11.30
申请号	SU19500434569	申请日期	1950.09.11
申请人	LYUBOMILOV S.I.	发明人	LYUBOMILOV S.I.
分类号	G11B11/12	主分类号	G11B11/12
代理机构		代理人
主权项
地址

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