Thép hộp chữ nhật 50x100
50x100x1.2,
50x100x1.3,
50x100x1.4,
50x100x1.6,
50x100x1.8,
50x100x2.0,
50x100x2.3,
50x100x2.5,
50x100x2.8,
50x100x3.0,
50x100x3.2,
50x100x3.5,
50x100x3.8,
50x100x4.0,
50x100x4.2,
50x100x4.5,
50x100x5.0,
50x100x6.0,
50x100x8.0
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