UN APARATO DE GRABACION MAGNETICA.,申请号ES19070003492-传众专利搜索

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发明名称	UN APARATO DE GRABACION MAGNETICA.
摘要
申请公布号	ES349207(A1)	申请公布日期	1969.04.01
申请号	ES19070003492	申请日期	1968.01.12
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人
分类号	G11B15/14;H04N5/7826;(IPC1-7):G11B/	主分类号	G11B15/14
代理机构		代理人
主权项
地址

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