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发明名称
Improvements in or relating to girders
摘要
申请公布号
GB359413(A)
申请公布日期
1931.10.19
申请号
GB19300021695
申请日期
1930.07.17
申请人
EDWARD G. BUDD MANUFACTURING COMPANY
发明人
分类号
E04C3/04;E04C3/09
主分类号
E04C3/04
代理机构
代理人
主权项
地址
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