Chinese Standard: GB/T 17608-2006

Division of variety and grading for coal products
全国煤炭标准化技术委员会
本标准规定了煤炭产品品种和煤炭质量指标等级的划分。
本标准适用于无烟煤、烟煤和褐煤的产品。
This standard is the original Chinese electronic standard.
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