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| 大量供应碳化硅 | [供应专栏] | 2008-02-01 |
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| 收购碳化硅 | [求购专栏] | 2008-02-01 |
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| 黑碳化硅 | [求购专栏] | 2008-01-29 |
| 碳化硅 | [求购专栏] | 2008-01-28 |
| 二级碳化硅， 三级碳化硅，耐火材料 | [供应专栏] | 2008-01-26 |
| 供应绿碳化硅微粉 | [供应专栏] | 2008-01-26 |
| 收购碳化硅 | [求购专栏] | 2008-01-26 |
| 碳化硅砂 | [求购专栏] | 2008-01-25 |
| 绿碳化硅块 | [求购专栏] | 2008-01-25 |
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