AUTOMOBILE STOP FOR RAILWAY CROSSINGS,申请号CAD338753-传众专利搜索

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发明名称	AUTOMOBILE STOP FOR RAILWAY CROSSINGS
摘要
申请公布号	CA338753(A)	申请公布日期	1934.01.23
申请号	CAD338753	申请日期
申请人	HAROLD C. ROEDER;ALFRED M. PEIFFER	发明人	ALFRED M. PEIFFER;HAROLD C. ROEDER
分类号		主分类号
代理机构		代理人
主权项
地址

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