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4 inch LR / SR hàn Asme B16 9 khuỷu tay 30/45/180 độ bằng nhau rèn2021-12-06 11:57:18 |
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SCH5S Butt Weld Elbow ANSI B16.9 Sơn đen Bán kính dài2021-12-06 11:51:28 |
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Dn32 Lr khuỷu tay 1-1 / 4 "Sch40 Astm A234 Wpb 90d2021-12-06 11:54:35 |
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ASTM Butt Welded Elbow, Forged 4 Schedule 40 90 Degree Elbow2021-08-25 15:05:14 |
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LR BW ASTM A234 WPB Elbow, Schedule 40 90 Degree Elbow2021-08-25 14:52:16 |
