Improvements in or relating to sound boxes,申请号GB19530019674-传众专利搜索

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发明名称	Improvements in or relating to sound boxes
摘要
申请公布号	GB732422(A)	申请公布日期	1955.06.22
申请号	GB19530019674	申请日期	1953.07.15
申请人	PETER SCHMIDT	发明人
分类号	G11B3/00;G11B3/50	主分类号	G11B3/00
代理机构		代理人
主权项
地址

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