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| NB/T 11441-2023 Guidelines for identificationand quality evaluation of coal-measures graphite (English Version) |
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Introduction of NB/T 11441-2023
本文件规定了煤系石墨的总则、采样测试、煤系石墨鉴定、质量等级划分、鉴定报告。
本文件适用于资源评价、勘查和开发过程中对煤系石墨的鉴定与质量分级。
Contents of NB/T 11441-2023