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Flangia ad alta pressione 300# ASME B16.5 di ASTM A182/SA182 F321 HBRF2022-08-22 17:18:05 |
ASTM B462 UNS N08367 Flange in lega di nichel B16.5 Attrezzature chimiche2023-11-24 11:51:30 |