Disques phonographiques instantanés,申请号FRD993336-传众专利搜索

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发明名称	Disques phonographiques instantanés
摘要
申请公布号	FR993336(A)	申请公布日期	1951.10.30
申请号	FRD993336	申请日期	1949.08.16
申请人	AUDIO DEVICES INC.	发明人
分类号	C09D5/23;G11B3/70;G11B27/06	主分类号	C09D5/23
代理机构		代理人
主权项
地址

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