A new or improved sound recording and reproducing device,申请号GB19580009071-传众专利搜索

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发明名称	A new or improved sound recording and reproducing device
摘要
申请公布号	GB827697(A)	申请公布日期	1960.02.10
申请号	GB19580009071	申请日期	1958.03.21
申请人	WILLY MULLER	发明人
分类号	G11B5/004	主分类号	G11B5/004
代理机构		代理人
主权项
地址

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