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Materiale ASTM A322 GR. 4140 Barra di acciaio a bassa lega OD 190 mm2025-04-08 06:44:12 |
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ASTM Barra tonda forgiata AISI 4340 /1.6511/ Sncm4392023-12-08 10:49:10 |
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40Cr SAE5140 Q+T 16mm*2500mm Dia Barre rotonde a freddo2025-04-29 09:45:42 |