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发明名称
Improvements relating to reinforced concrete construction
摘要
申请公布号
GB387351(A)
申请公布日期
1933.02.01
申请号
GB19310022015
申请日期
1931.08.01
申请人
CHARLES FLETCHER LUMB
发明人
分类号
E04B1/18
主分类号
E04B1/18
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代理人
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