Emergency lighting and power unit,申请号US19270228536-传众专利搜索

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发明名称	Emergency lighting and power unit
摘要
申请公布号	US2007415(A)	申请公布日期	1935.07.09
申请号	US19270228536	申请日期	1927.10.25
申请人	MARY C. DUNN	发明人	WALKER JOHN H.
分类号	F03B15/20	主分类号	F03B15/20
代理机构		代理人
主权项
地址

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