Light valve and method of operation,申请号GB19330022469-传众专利搜索

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发明名称	Light valve and method of operation
摘要
申请公布号	GB423874(A)	申请公布日期	1935.02.11
申请号	GB19330022469	申请日期	1933.08.11
申请人	EDWIN HERBERT LAND	发明人
分类号	H04N5/66	主分类号	H04N5/66
代理机构		代理人
主权项
地址

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