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ASME B16.9 ASME A234 WPB SMLS LR 90 gradi2024-04-02 11:12:20 |
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ANSI B16.9 Astm A234wpb gomito della LR da 45 gradi2020-12-29 10:11:42 |
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Sch5s Flancheria in acciaio inossidabile ASME B16.5 316 RF 150 LB2024-03-27 10:16:46 |