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发明名称
Improvements in joints or coupling devices for structural members
摘要
申请公布号
GB779411(A)
申请公布日期
1957.07.17
申请号
GB19540028612
申请日期
1954.10.05
申请人
THOMAS HARLEY HADDOW
发明人
分类号
E01D15/133;E04B1/24;E04B1/58
主分类号
E01D15/133
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