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发明名称
Hollow bricks particularly suitable for the manufacture of reinforced beams
摘要
申请公布号
GB680486(A)
申请公布日期
1952.10.08
申请号
GB19500013870
申请日期
1950.06.02
申请人
AFRICAPLASTES S.A.
发明人
分类号
E04C3/22
主分类号
E04C3/22
代理机构
代理人
主权项
地址
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