Improvements in cathode-ray tube spectrographs,申请号GB19450009450-传众专利搜索

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发明名称	Improvements in cathode-ray tube spectrographs
摘要
申请公布号	GB600027(A)	申请公布日期	1948.03.30
申请号	GB19450009450	申请日期	1945.04.16
申请人	ALLEN B. DUMONT LABORATORIES, INC.	发明人
分类号	G01J3/32	主分类号	G01J3/32
代理机构		代理人
主权项
地址

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