Improvements in or relating to electric torches, electric flashlamps, and like portable electric lamps,申请号GB19390029023-传众专利搜索

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发明名称	Improvements in or relating to electric torches, electric flashlamps, and like portable electric lamps
摘要
申请公布号	GB533551(A)	申请公布日期	1941.02.14
申请号	GB19390029023	申请日期	1939.10.31
申请人	ALFRED WALKER	发明人
分类号	F21L4/00	主分类号	F21L4/00
代理机构		代理人
主权项
地址

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