Yuhong Holding Group Co., LTD
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Curva in acciaio al carbonio ASTM A234 WPB 45° LR saldata di testa B16.92025-08-19 16:48:05 |
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ASTM A213 TP321 1.4541 S32100 Stainless Steel Heat Exchanger Tube2025-08-19 16:29:35 |
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