Perfectionnements aux supports d'enregistrement magnétique,申请号FRD1102087-传众专利搜索

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发明名称	Perfectionnements aux supports d'enregistrement magnétique
摘要
申请公布号	FR1102087(A)	申请公布日期	1955.10.17
申请号	FRD1102087	申请日期	1954.03.26
申请人	THERMIONIC PRODUCTS LIMITED	发明人
分类号	G11B5/84	主分类号	G11B5/84
代理机构		代理人
主权项
地址

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