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发明名称
Rail fastening
摘要
申请公布号
US1760723(A)
申请公布日期
1930.05.27
申请号
US19290356451
申请日期
1929.04.19
申请人
SNYDER JOHN G;SNYDER ARTHUR N
发明人
SNYDER JOHN G.;SNYDER ARTHUR N.
分类号
E01B9/46
主分类号
E01B9/46
代理机构
代理人
主权项
地址
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