RAILWAY TRAFFIC CONTROLLING APPARATUS,申请号CAD446043-传众专利搜索

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发明名称	RAILWAY TRAFFIC CONTROLLING APPARATUS
摘要
申请公布号	CA446043(A)	申请公布日期	1948.01.06
申请号	CAD446043	申请日期
申请人	THE UNION SWITCH AND SIGNAL COMPANY	发明人	ARTHUR L. JEROME
分类号		主分类号
代理机构		代理人
主权项
地址

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