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Flangia ad alta pressione 300# ASME B16.5 di ASTM A182/SA182 F321 HBRF2022-08-22 17:18:05 |
SS 90 Deg LR Elbow ASTM A403 UNS S31254-S B16.9 Rafinerie di petrolio2023-11-14 17:11:33 |