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ANSI B16.9 di ASTM Buttweld B366 N04400 2,4360 Monel 400 Con.Reducer2025-08-13 17:30:42 |
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ANSI B16.5 ASTM A182 / ASME SA182 F22 Flanche in acciaio in lega forgate2025-08-13 17:40:36 |