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发明名称
Method of stressing prestressed steel concrete members
摘要
申请公布号
GB702885(A)
申请公布日期
1954.01.27
申请号
GB19520019840
申请日期
1952.08.06
申请人
THE PRELOAD COMPANY INC.
发明人
分类号
E01D2/00;E04G21/12
主分类号
E01D2/00
代理机构
代理人
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