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Iron ores for shaft direct-reduction feedstocks—Determination of the low temperature reduction-disintegration index and degree of metallization
IDT ISO 11257:2007
全国铁矿石与直接还原铁标准化技术委员会
本标准规定了在与气体直接还原法相似的条件下,鉴定球团矿和块矿的粉化率和金属化率的试验方法。
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