Звукосниматель,申请号SU19340156628-传众专利搜索

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法人/股东/高管

发明名称	Звукосниматель
摘要
申请公布号	SU45091(A1)	申请公布日期	1935.11.30
申请号	SU19340156628	申请日期	1934.11.04
申请人	KASATKIN O.I.	发明人	KASATKIN O.I.
分类号	G11B21/00	主分类号	G11B21/00
代理机构		代理人
主权项
地址

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