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发明名称
Truss side frame
摘要
申请公布号
US2443980(A)
申请公布日期
1948.06.22
申请号
US19440557404
申请日期
1944.10.06
申请人
WELDED STEEL SHAPES, INC.
发明人
FISH GILBERT D.
分类号
B61F5/52
主分类号
B61F5/52
代理机构
代理人
主权项
地址
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