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12.7-610mm OD Seamless large diameter steel pipe ASTM A53 for boiler2015-09-28 08:13:07 |
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High-Medium ASTM A213 T12 seamless alloy steel tube2015-09-28 02:04:06 |
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EN DIN seamless alloy steel tube Low temperature for containers / devices2015-09-28 13:09:03 |