Yuhong Holding Group Co., LTD
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ASTM A815 Acciaio duplex UNS S32750 90 gradi LR gomito ASME B16.9 BW2024-04-17 11:41:35 |
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ASME SA789 SMLS UNS S32205 Tubi per caldaie in acciaio duplex bend U2025-08-13 17:34:02 |