Improvements in arc lamps,申请号GB19390023857-传众专利搜索

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发明名称	Improvements in arc lamps
摘要
申请公布号	GB534821(A)	申请公布日期	1941.03.19
申请号	GB19390023857	申请日期	1939.08.18
申请人	JOSEPH GELB	发明人
分类号	H05B31/00	主分类号	H05B31/00
代理机构		代理人
主权项
地址

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