Improvements in or relating to electric pocket lamps,申请号GB19400013181-传众专利搜索

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发明名称	Improvements in or relating to electric pocket lamps
摘要
申请公布号	GB541950(A)	申请公布日期	1941.12.18
申请号	GB19400013181	申请日期	1940.08.19
申请人	SAMUEL DANIEL SULLAM	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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