Разметчик магнитных фонограмм,申请号SU19510441132K-传众专利搜索

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发明名称	Разметчик магнитных фонограмм
摘要
申请公布号	SU145449(A1)	申请公布日期	1961.11.30
申请号	SU19510441132K	申请日期	1951.01.08
申请人		发明人	OTTOCHEK M.F.
分类号	G11B23/42;B41L47/60;G01D11/18	主分类号	G11B23/42
代理机构		代理人
主权项
地址

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