DIN 22020-2-1998 标准详情
- 标准号:DIN 22020-2-1998
- 中文标题:无烟煤矿原材料的考察研究.煤、焦碳和煤块显微试验.第2部分:块状材料和颗粒团抛光表面的处理
- 英文标题:Investigations of raw material in hard-coal-mining - Microscopical examination of hard coal, coke and briquettes - Part 2: Preparation of polished surface from lump material and particulate blocks
- 标准类别:德国标准
- 发布日期:1998-08
