Improvements in or relating to light valves,申请号GB19340020621-传众专利搜索

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发明名称	Improvements in or relating to light valves
摘要
申请公布号	GB441274(A)	申请公布日期	1936.01.13
申请号	GB19340020621	申请日期	1934.07.13
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;BARNETT LEVIN;NYMAN LEVIN	发明人
分类号	G02F1/07;G02F1/139	主分类号	G02F1/07
代理机构		代理人
主权项
地址

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