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发明名称
Reenforced concrete structure
摘要
申请公布号
US2080124(A)
申请公布日期
1937.05.11
申请号
US19350022000
申请日期
1935.05.17
申请人
LACLEDE STEEL COMPANY
发明人
FRIBERG BENGT F.
分类号
E01C11/14
主分类号
E01C11/14
代理机构
代理人
主权项
地址
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