Improvements in or relating to electric incandescent lamps,申请号GB19460013674-传众专利搜索

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发明名称	Improvements in or relating to electric incandescent lamps
摘要
申请公布号	GB611687(A)	申请公布日期	1948.11.02
申请号	GB19460013674	申请日期	1946.05.06
申请人	PHILIPS LAMPS LIMITED	发明人
分类号	H01J9/38;H01K1/50;H01K3/22	主分类号	H01J9/38
代理机构		代理人
主权项
地址

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