An improved daylight signalling lamp,申请号GB19420005565-传众专利搜索

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发明名称	An improved daylight signalling lamp
摘要
申请公布号	GB554902(A)	申请公布日期	1943.07.23
申请号	GB19420005565	申请日期	1942.04.25
申请人	JOHN WILSON GILLIE	发明人
分类号	F21V7/09;F21W101/10	主分类号	F21V7/09
代理机构		代理人
主权项
地址

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