ASTM D7430-2011a 标准详情
- 标准号:ASTM D7430-2011a
- 中文标题:煤机械取样规程
- 英文标题:Standard Practice for Mechanical Sampling of Coal
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2011
It is intended that this practice be used to provide a sample representative of the coal from which it is collected. Because of the variability of coal and the wide variety of mechanical sampling equipment available, caution should be used in all sta
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