GB/T 15224.2-2021
煤炭质量分级 第2部分:硫分
Classification for quality of coal—Part 2: Sulfur content
- 实施日期
- 2022-03-01
- ICS 分类
- 73.040
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 15224.2-2021
Classification for quality of coal—Part 2: Sulfur content
GB/T 14949.2-2021
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Specifications of survey for geological and mineral resources exploration
GB/T 14949.5-2021
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Exploration specification of hydrogeology and engineering geology in mining areas
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GB/T 39963-2021
Technical specification on C80~C100 concrete shaft lining applied in vertical freezing shaft
GB/T 39836-2021
Test methods for slagging indexes in coal combustion
GB/T 39834-2021
Technical requirement of fully mechanized bag filling mining with paste