Improvements in or relating to an electric system for use in detecting electric lampfailure in a circuit,申请号GB19480004371-传众专利搜索

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发明名称	Improvements in or relating to an electric system for use in detecting electric lampfailure in a circuit
摘要
申请公布号	GB643543(A)	申请公布日期	1950.09.20
申请号	GB19480004371	申请日期	1948.02.14
申请人	JOHN ANTHONY ATTENBOROUGH;LEONARD RICHARD THOMAS INSTONE	发明人
分类号	H05B39/10	主分类号	H05B39/10
代理机构		代理人
主权项
地址

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