RAILWAY SWITCH ELECTRIC LOCK,申请号CAD429722-传众专利搜索

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发明名称	RAILWAY SWITCH ELECTRIC LOCK
摘要
申请公布号	CA429722(A)	申请公布日期	1945.08.28
申请号	CAD429722	申请日期
申请人	THE UNION SWITCH AND SIGNAL COMPANY	发明人	KENNETH J. J. MCGOWAN
分类号		主分类号
代理机构		代理人
主权项
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