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Manufacture of coke and refined petroleum products
This division includes the transformation of crude petroleum and coal into usable products. The dominant process is petroleum refining, which involves the separation of crude petroleum into component products through such techniques as cracking and distillation. This division includes the manufacture of gases (for example, ethane, propane, butane) as products of petroleum refineries.
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中类
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小类
直属分类 · 2 项