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Construction navale AISI 5.5mm Hastelloy C22 autour de barre2021-01-07 11:21:01 |
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Acier de l'alliage AISI SAE 8620 | 1,6523 | 21NiCrMo2 | Barre SNCM220 ronde2020-07-13 17:48:31 |