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Hot Rolled 20 Foot Steel I Beam , S235JR - S355J2 Grade Steel H Beam2017-09-22 13:41:21 |
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8m 10m Length I Beam Steel 90 - 120MM Leg Height For Bridge Engineering2017-09-22 13:41:20 |
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Standard Size I Beam Steel 11# 12# 90.0mm Base Standard YB/T5047-20002017-09-22 13:41:20 |