Improvements in or relating to spotlamps or floodlamps,申请号GB19350027497-传众专利搜索

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发明名称	Improvements in or relating to spotlamps or floodlamps
摘要
申请公布号	GB463664(A)	申请公布日期	1937.04.05
申请号	GB19350027497	申请日期	1935.10.04
申请人	ELMER CLARK RICHARDSON	发明人
分类号	G03B15/02	主分类号	G03B15/02
代理机构		代理人
主权项
地址

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