Heavy-duty tie plate and light rail adapter therefor,申请号US19480055726-传众专利搜索

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发明名称	Heavy-duty tie plate and light rail adapter therefor
摘要
申请公布号	US2583610(A)	申请公布日期	1952.01.29
申请号	US19480055726	申请日期	1948.10.21
申请人	LEE SPENCER	发明人	SPENCER LEE
分类号	E01B9/36	主分类号	E01B9/36
代理机构		代理人
主权项
地址

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