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发明名称
Sheet metal channel section from strip
摘要
<p>Section has rectangular cross section and joining flanges at the front side, interrupted at the corners as in DT P 1452854.2. In the strip, with the exception of the rolled edges, at least one bead is rolled parallel to the strip edge.</p>
申请公布号
FR2042088(A6)
申请公布日期
1971.02.05
申请号
FR19700007965
申请日期
1970.03.05
申请人
SIEGWART EMIL
发明人
分类号
B21D51/00;B21D53/74;(IPC1-7):24F13/00;21D17/00
主分类号
B21D51/00
代理机构
代理人
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