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Stal ASME B16.9 ASTM A234 WPB Elbow 3D 5D Bend Cross Saddle Butt Welding2021-11-12 09:38:21 |
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Ansi Asme B16.5 B16.47 Long 150 Spawany kołnierz szyjkowy Lwn 3 cale2023-08-08 15:03:08 |