Improvements in or relating to illumination apparatus,申请号GB19490022419-传众专利搜索

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发明名称	Improvements in or relating to illumination apparatus
摘要
申请公布号	GB694357(A)	申请公布日期	1953.07.22
申请号	GB19490022419	申请日期	1949.08.29
申请人	GUGLIELMO RICCOMAGNO	发明人
分类号	F21V17/00	主分类号	F21V17/00
代理机构		代理人
主权项
地址

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