Improvements in or relating to repeating devices for gramophones,申请号GB19390012107-传众专利搜索

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发明名称	Improvements in or relating to repeating devices for gramophones
摘要
申请公布号	GB527869(A)	申请公布日期	1940.10.17
申请号	GB19390012107	申请日期	1939.04.21
申请人	JOSEPH LOUIS ROUTIN	发明人
分类号	G11B3/085	主分类号	G11B3/085
代理机构		代理人
主权项
地址

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