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ASME B16.9 ASME A234 WPB SMLS LR 90 gradi2024-04-02 11:12:20 |
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Ss304 316 gomito in acciaio inossidabile 45/90/180 gradi2023-11-20 09:53:35 |
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ASTM A234 WPB 22,5 gradi SCH 40 LR2024-03-14 11:11:18 |