Photoelectric sound reproduction,申请号US19490080153-传众专利搜索

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发明名称	Photoelectric sound reproduction
摘要
申请公布号	US2582964(A)	申请公布日期	1952.01.22
申请号	US19490080153	申请日期	1949.03.08
申请人	TECHNICOLOR MOTION PICTURE CORPORATION	发明人	CLARK LAURISTON E.
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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