Automatic volume control regulation of light intensity on camera tube,申请号US19450594245-传众专利搜索

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发明名称	Automatic volume control regulation of light intensity on camera tube
摘要
申请公布号	US2431824(A)	申请公布日期	1947.12.02
申请号	US19450594245	申请日期	1945.05.17
申请人	RADIO CORPORATION OF AMERICA	发明人	POCH WALDEMAR J.
分类号	H04N5/238	主分类号	H04N5/238
代理机构		代理人
主权项
地址

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