Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 27680-2011 |
Copper,lead ,zinc and nickel concentrates - Experimental methods for checking the bias of sampling 铜、铅、锌和镍精矿 检查取样误差的实验方法 |
China National Standards Copper,lead |
English PDF |
GB/T 27674-2011 |
Copper,lead and zinc sulfide concentrates - Determination of hygroscopic moisture in the analysis sample - ?Gravimetric method 硫化铜、铅和锌精矿 试样中湿存水分的测定 重量法 |
China National Standards Copper,lead |
English PDF |
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