Способ и устройство для магнитной записи звука,申请号SU19350164555-传众专利搜索

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发明名称	Способ и устройство для магнитной записи звука
摘要
申请公布号	SU45427(A1)	申请公布日期	1935.12.31
申请号	SU19350164555	申请日期	1935.02.27
申请人	RUTSKIJ N.A.	发明人	RUTSKIJ N.A.
分类号	G11B5/00	主分类号	G11B5/00
代理机构		代理人
主权项
地址

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