Circuit maker and breaker for safe alarms,申请号US19290346793-传众专利搜索

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发明名称	Circuit maker and breaker for safe alarms
摘要
申请公布号	US1861547(A)	申请公布日期	1932.06.07
申请号	US19290346793	申请日期	1929.03.13
申请人	PARKHURST LESTER I	发明人	PARKHURST LESTER I.
分类号	G08B13/08	主分类号	G08B13/08
代理机构		代理人
主权项
地址

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