ທໍ່ເຫຼັກ ERW ເຊື່ອມ
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ASTM A500 Pre-galvanized Square ທໍ່ເຫຼັກກ້າ
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BS 1387 Hot-Dip Galvanized Steel Pipe
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ASTM A795 Hot-Dip Galvanized ERW Grooved Steel Pipe
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ASTM A53 GR.B Hot-Dip Galvanized Welded Steel Pipe
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ໄຟຟ້າ Resistance Welded ERW Steel Pipes ERW Steel Tubes
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SANS 657-3, EN 10305, DIN 2391 ທໍ່ / ທໍ່ເຫຼັກກ້າທີ່ມີຄວາມແມ່ນຍໍາສູງ
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ທໍ່ Scaffolding Galvanized ແລະອຸປະກອນເສີມ
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ທໍ່ສີ່ຫລ່ຽມແລະສີ່ຫລ່ຽມ