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Longitudinal Submerged Arc Welding Lsaw Pipe BS1387
2021-06-30 14:44:44
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Construction Field BS1387 HFW Galvanised Carbon Steel Pipe
2021-06-30 14:44:44
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ASTM A53 sandard X80N Saw Steel Pipeline use for construction
2021-06-30 14:44:44
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Construction Field API 5L X70 EFW Large Diameter Steel Tube
2021-06-30 14:44:44
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