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经营范围
发明名称
Adjustable rail brace apparatus
摘要
申请公布号
US3220651(A)
申请公布日期
1965.11.30
申请号
US19630324515
申请日期
1963.11.18
申请人
BETHLEHEM STEEL CORPORATION
发明人
MAHOOD GEORGE P.
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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