Sound recording and reproducing apparatus,申请号US19470759152-传众专利搜索

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发明名称	Sound recording and reproducing apparatus
摘要
申请公布号	US2647751(A)	申请公布日期	1953.08.04
申请号	US19470759152	申请日期	1947.07.05
申请人	INTERNATIONAL MUTOSCOPE CORPORATION	发明人	LISSANCE ALEXANDER
分类号	G11B17/16	主分类号	G11B17/16
代理机构		代理人
主权项
地址

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