Flare block for railway crossings and the like,申请号US19480048477-传众专利搜索

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法人/股东/高管

发明名称	Flare block for railway crossings and the like
摘要
申请公布号	US2500710(A)	申请公布日期	1950.03.14
申请号	US19480048477	申请日期	1948.09.09
申请人	CARNEGIE-ILLINOIS STEEL CORPORATION	发明人	SCHULZE ARTHUR R.
分类号	E01B7/00	主分类号	E01B7/00
代理机构		代理人
主权项
地址

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