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縦向きの水中弧溶接 LSAW 鋼管 BS EN10025 S235JR / S275JR / S355JR2024-12-17 14:19:00 |
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BS EN10025 S235JR S275JR S355JR SAWL スチールパイプ 潜水弧 溶接長長管2024-12-17 14:03:01 |
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石油・ガス LSAW 鋼管 DIN 17100 / ST37-2 / ST44-2 / ST52-32024-12-17 13:59:07 |
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大直径LSAW鋼管 DIN 17100 / ST37-2 / ST44-2 / ST52-3 SAWL鋼管2024-12-17 15:05:02 |
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JIS DIN SAWL 鋼管 API 5L PSL1 Gr.A X42 X46 X52 X56 X60 X65 X70 X802024-12-17 14:26:14 |
