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发明名称
Rail splice
摘要
申请公布号
US2774542(A)
申请公布日期
1956.12.18
申请号
US19520272356
申请日期
1952.02.19
申请人
BETHLEHEM STEEL COMPANY
发明人
ANTHONY WILLIAM T.
分类号
E01B23/04
主分类号
E01B23/04
代理机构
代理人
主权项
地址
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