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Reinforced metal window shutter has reinforcing elements made with projecting tabs that fit into slots in shutter outer walls before welding
Reinforced metal window shutter has reinforcing elements made with projecting tabs that fit into slots in shutter outer walls before welding
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机译:加固金属百叶窗具有加固元件,该加固元件由凸出的凸耳制成,该凸耳可在焊接前装入百叶窗外壁的槽中
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摘要
The shutter, having outer and inner walls (10) forming a hollow housing with one or more inner reinforcing elements (18), has each reinforcing element made with projecting tabs (66) on its edges that engage with slots (40) in the shutter walls before being welded in place. Each reinforcing element is in the form of a flat plate with one or more apertures, and it is welded in place from the outside of the shutter.
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