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发明名称
Tie plate and rail anchor
摘要
申请公布号
US2490242(A)
申请公布日期
1949.12.06
申请号
US19470731300
申请日期
1947.02.27
申请人
SARDINE STONE;MARTIN FLOYD A
发明人
STONE SARDINE;MARTIN FLOYD A.
分类号
E01B5/16;E01B13/02
主分类号
E01B5/16
代理机构
代理人
主权项
地址
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