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Standard
| GB/T 18023-2000 Classification of macrolithotype for bituminous coal (English Version) |
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Detail of GB/T 18023-2000
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Introduction of GB/T 18023-2000
本标准规定了烟煤宏观煤岩类型的分类以及描述内容和要求。本标准适用于煤层、煤心和煤标本的观察研究。无烟煤亦可参照使用。
Contents of GB/T 18023-2000