ASTM D2797/D2797M-2011 标准详情
- 标准号:ASTM D2797/D2797M-2011
- 中文标题:煤炭抽样制备的反光显微镜分析标准实施规范
- 英文标题:standard practice for preparing coal samples for microscopical analysis by reflected light
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2011-04-15
Briquets of granular bituminous coals and anthracite prepared in accordance with the laboratory procedures of this practice will have flat, scratch-free surfaces suitable for examination with a microscope using reflected light illumination. The pol
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