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经营范围
发明名称
Improvements in and relating to jointings in concrete work
摘要
申请公布号
GB711287(A)
申请公布日期
1954.06.30
申请号
GB19510012333
申请日期
1951.05.25
申请人
JAMES HARDRESS DE WARRENNE WALLER
发明人
分类号
E04B1/68
主分类号
E04B1/68
代理机构
代理人
主权项
地址
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