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发明名称
BUILDING CONSTRUCTION
摘要
申请公布号
CA389367(A)
申请公布日期
1940.06.11
申请号
CAD389367
申请日期
申请人
THE AMERICAN ROLLING MILL COMPANY
发明人
JAMES W. SWANK;RAYMOND M. CALKINS
分类号
主分类号
代理机构
代理人
主权项
地址
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