Combined sound film and television apparatus,申请号US19540409212-传众专利搜索

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发明名称	Combined sound film and television apparatus
摘要
申请公布号	US2854528(A)	申请公布日期	1958.09.30
申请号	US19540409212	申请日期	1954.02.09
申请人	SIEMENS & HALSKE, AKTIENGESELLSCHAFT	发明人	FRIESS HANS
分类号	G11B25/10	主分类号	G11B25/10
代理机构		代理人
主权项
地址

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