Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
YB/T 4928-2021 |
Microscopic analysis method of coke pore structure and raw coal lithofacies{译} {译} 焦炭孔隙构造及原料煤岩相 显微分析方法 |
China Metallurgy Industry
Standards lithofacies{译} |
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