RAILROAD TRACK CIRCUIT,申请号CAD667086-传众专利搜索

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发明名称	RAILROAD TRACK CIRCUIT
摘要
申请公布号	CA667086(A)	申请公布日期	1963.07.23
申请号	CAD667086	申请日期
申请人	FRED FINES;ROBERT O. WHARTON	发明人	ROBERT O. WHARTON;FRED FINES
分类号		主分类号
代理机构		代理人
主权项
地址

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