DELAY ACTION ELECTRO-RESPONSIVE DEVICE,申请号CAD383740-传众专利搜索

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发明名称	DELAY ACTION ELECTRO-RESPONSIVE DEVICE
摘要
申请公布号	CA383740(A)	申请公布日期	1939.08.29
申请号	CAD383740	申请日期
申请人	THE UNION SWITCH AND SIGNAL COMPANY	发明人	MILLS R. SNYDER
分类号		主分类号
代理机构		代理人
主权项
地址

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