Improvements in sound recording or reproducing apparatus,申请号GB19350011773-传众专利搜索

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发明名称	Improvements in sound recording or reproducing apparatus
摘要
申请公布号	GB442112(A)	申请公布日期	1936.02.03
申请号	GB19350011773	申请日期	1935.04.16
申请人	FERNANDO CRUDO	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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