Yuhong Holding Group Co., LTD
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ANSI B16.5 ASTM A182 / ASME SA182 F22 Flanche in acciaio in lega forgate2025-08-13 17:40:36 |
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Norme europee EN 10222-5 1.4571 (ASTM A182) 316 Anello e flangia forgiati2025-12-10 16:03:24 |