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O cotovelo da LR BW ASTM A234 WPB, programa 40 cotovelo de 90 graus2021-08-25 14:52:16 |
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1/2” a 36" T igual Astm A234 Wpb do aço carbono forjou a solda de extremidade2021-12-31 09:28:40 |
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Solda de topo forjada sem costura em aço carbono T igual Sch40 Astm A 234 Wpb2022-12-06 16:29:23 |