Automatic circuit selector,申请号US19370156877-传众专利搜索

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发明名称	Automatic circuit selector
摘要
申请公布号	US2157417(A)	申请公布日期	1939.05.09
申请号	US19370156877	申请日期	1937.08.02
申请人	THE AMERICAN FLOOR SURFACING MACHINE COMPANY	发明人	KNEISLEY RICHARD F.
分类号	H02H11/00	主分类号	H02H11/00
代理机构		代理人
主权项
地址

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