 7224901000 
粗铸锻件坯
Raw casting forging stocks, individual piece weight of 10t or more |
7224909090
其他合金钢坯，直径≥700mm的合金钢圆坯除外
Other alloy steel billet, except alloy steel round billet ,with a diameter larger than 700mm (other alloy ingots and other primary forms) |
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