顯示所有 4 個結果

• 
  未分類

  用於冶金的石墨化碳添加劑

  $420.00 /MT
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• 
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  碳添加劑 人工石墨 石墨 石油焦 GPC 滲碳劑

  $490.00 /MT
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• 
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  鑄造用滲碳劑 低硫滲碳劑 石墨化石油焦 GPC

  $480.00 /MT
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• 
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  高碳低硫石墨碳在鋼鑄造的應用

  $480.00 /MT
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