Improvements in and relating to electric lamp bulbs,申请号GB19380004175-传众专利搜索

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发明名称	Improvements in and relating to electric lamp bulbs
摘要
申请公布号	GB510956(A)	申请公布日期	1939.08.10
申请号	GB19380004175	申请日期	1938.02.10
申请人	WILLIAM WARREN TRIGGS	发明人
分类号	H01J5/08	主分类号	H01J5/08
代理机构		代理人
主权项
地址

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