ASTM D7430-2012 标准详情
- 标准号:ASTM D7430-2012
- 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:2012-05-15
1.1 this practice is divided into 4 parts. these 4 parts represent the previous standards d7256/d7256m, d4916, d4702, and d6518. these 4 standards are the 4 that govern the mechanical sampling of coal and have been combined into one document for the
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