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gb standard q355b steel structure frame
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...Steel Structure Building Materials 1. Product Description H beam: 1. Flange width: 50-400mm 2. Flange thickness: 7-34mm 3. Web width: 100-900mm 4. ...
2024-12-09 13:04:33
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Agriculture steel construction prefabricated industrial storage metal frame warehouse Size Model 10*10-500*500mm Thickness 3-180mm Length 1-12m or as ...
2024-12-09 12:16:08
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