Improvements in or relating to small magnetic sound recording apparatus,申请号GB19520023388-传众专利搜索

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发明名称	Improvements in or relating to small magnetic sound recording apparatus
摘要
申请公布号	GB707855(A)	申请公布日期	1954.04.21
申请号	GB19520023388	申请日期	1952.09.17
申请人	AGFA CAMERA-WERK AKTIENGESELLSCHAFT	发明人
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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