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发明名称
Improved method for prestressing hollow structures
摘要
申请公布号
GB754956(A)
申请公布日期
1956.08.15
申请号
GB19540008812
申请日期
1954.03.25
申请人
THE TRUSSED CONCRETE STEEL COMPANY, LIMITED
发明人
SHEPLY ERIC;DOBLE CECIL EDWIN
分类号
E04G21/12
主分类号
E04G21/12
代理机构
代理人
主权项
地址
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