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Naadloos buis ASTM B622 C22 UNS NO6022 Corrosiebestendige vaten2023-11-03 11:52:28 |
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ASTM B622 UNS N10276 2.4819 Hastelloy C276 naadloze buis van nikkellegering2023-08-03 10:34:16 |