Apparatus for reproducing sound on film,申请号US19380214016-传众专利搜索

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发明名称	Apparatus for reproducing sound on film
摘要
申请公布号	US2250724(A)	申请公布日期	1941.07.29
申请号	US19380214016	申请日期	1938.06.16
申请人	JACOB RABINOWITZ	发明人	RABINOWITZ JACOB
分类号		主分类号
代理机构		代理人
主权项
地址

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