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ANSI B16.9 di ASTM Buttweld B366 N04400 2,4360 Monel 400 Con.Reducer2024-02-01 11:32:12 |
B16.5 ASTM A182 F304 304L Flancelle in acciaio inossidabile austenitiche2023-12-21 16:30:35 |