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ASTM B151 C70600 Cu-Ni 90/10 Flange forgiate nichel rame Flangia WN RF2023-08-15 15:16:10 |
ANSI B16.5 ASTM A182 / ASME SA182 F22 Flanche in acciaio in lega forgate2023-12-01 09:51:08 |