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ASTM B151 C70600 Cu-Ni 90/10 kopernikkel gesmede flenzen WN RF-flens2023-08-15 15:16:10 |
De Elleboog van ASTM A403/ASME SA403 WP304/WP304L BW LR/SR2022-11-20 15:14:02 |
Duplex staalflens ASTM A182 F60 UNS S32205 B16.5 Chemische verwerking2023-12-26 16:11:22 |