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发明名称
Rail fastening device
摘要
申请公布号
US2525731(A)
申请公布日期
1950.10.10
申请号
US19490114870
申请日期
1949.09.09
申请人
CARNEGIE-ILLINOIS STEEL CORPORATION
发明人
SCHULZE ARTHUR R.
分类号
E01B9/48
主分类号
E01B9/48
代理机构
代理人
主权项
地址
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