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Rurociąg stalowy ASTM 5L A53 A178 A500 A691 A252 A672 A5012024-12-17 16:21:16 |
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21.3mm - 660mm OD ERW Steel Pipe ASTM A53 GR.A / GR.B X42 X46 X52 X562024-12-17 15:53:54 |
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ASTM A135 / A53B / A249 / A501 / A214 / A851 / A513 ERW CS Rura2025-03-07 16:02:52 |