Improvements relating to emergency lighting and power means,申请号GB19370009539-传众专利搜索

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发明名称	Improvements relating to emergency lighting and power means
摘要
申请公布号	GB492908(A)	申请公布日期	1938.09.29
申请号	GB19370009539	申请日期	1937.04.05
申请人	BATTERIES LIMITED;GEORGE HAROLD DOWSETT	发明人
分类号	H02J9/02	主分类号	H02J9/02
代理机构		代理人
主权项
地址

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