Schallplatte,申请号CHD333233-传众专利搜索

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发明名称	Schallplatte
摘要
申请公布号	CH333233(A)	申请公布日期	1958.10.15
申请号	CHD333233	申请日期	1955.04.28
申请人	RADIO CORPORATION OF AMERICA	发明人	LEE RICHTER,DONALD
分类号	G11B3/70	主分类号	G11B3/70
代理机构		代理人
主权项
地址

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