Improvements relating to phono-kinematographic apparatus,申请号GB19290028855-传众专利搜索

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发明名称	Improvements relating to phono-kinematographic apparatus
摘要
申请公布号	GB319592(A)	申请公布日期	1930.12.23
申请号	GB19290028855	申请日期	1929.09.23
申请人	HEINRICH JOHANNES KUECHENMEISTER	发明人
分类号	G11B7/00	主分类号	G11B7/00
代理机构		代理人
主权项
地址

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