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发明名称
A method and means for prestressing a concrete structure
摘要
申请公布号
GB1058573(A)
申请公布日期
1967.02.15
申请号
GB19640020904
申请日期
1964.05.20
申请人
HOSKULD OLAV SCHANCKE HANSSEN
发明人
分类号
E04G21/12
主分类号
E04G21/12
代理机构
代理人
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地址
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