Improvements relating to portable oil lamps,申请号GB19380006122-传众专利搜索

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发明名称	Improvements relating to portable oil lamps
摘要
申请公布号	GB482940(A)	申请公布日期	1938.04.07
申请号	GB19380006122	申请日期	1938.02.26
申请人	ROBERT GEORGE BERRY	发明人
分类号	F21L19/00	主分类号	F21L19/00
代理机构		代理人
主权项
地址

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