Film pulldown mechanism for television,申请号US19470757175-传众专利搜索

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发明名称	Film pulldown mechanism for television
摘要
申请公布号	US2625602(A)	申请公布日期	1953.01.13
申请号	US19470757175	申请日期	1947.06.26
申请人	RADIO CORPORATION OF AMERICA	发明人	SOMERS FRANK J.
分类号	H04N3/40	主分类号	H04N3/40
代理机构		代理人
主权项
地址

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