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Translate this pageMar 31, 2011 · 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 GB YB 004 20Cr 20Cr 005 S20C 20 006 20CrMnTi 007