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发明名称
Metal building framing element construction
摘要
申请公布号
US1883910(A)
申请公布日期
1932.10.25
申请号
US19300453952
申请日期
1930.05.20
申请人
THE E. F. HAUSERMAN COMPANY
发明人
HELLER EDWARD
分类号
E06B3/58;E06B3/72
主分类号
E06B3/58
代理机构
代理人
主权项
地址
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