Manganese and chromium ores — Experimental methods for evaluation of quality variation and methods for checking the precision of sampling
锰矿和铬矿石——评价质量变化的实验方法和检验取样精度的方法

1986-11-20

Manganese and chromium ores — Experimental methods for checking the precision of moisture determination
锰矿和铬矿石——水分测定精度检验的实验方法

1986-11-13

Manganese and chromium ores — Experimental methods for checking the precision of sample division
锰矿和铬矿石——检验样本分割精度的实验方法

1986-10-23

망가니즈 및 크로뮴 광석 — 샘플링 및시료 조제시 바이어스 검사를 위한 시험 방법
锰和铬矿石 - 用于检查取样和样品制备偏差的实验方法

2018-11-30

망가니즈 및 크로뮴 광석 — 샘플링 및시료 조제시 바이어스 검사를 위한 시험 방법
锰矿石和铬矿.检验取样和样品制备偏差的实验方法

2018-11-30

锰矿石和铬矿石 校核取样和制样偏差的试验方法
Manganese and chromium ores - Experimental methods for checking the bias of sampling and sample preparation

2009-07-15

Manganese and chromium ores — Experimental methods for checking the bias of sampling and sample preparation
锰矿和铬矿石——检验取样和样品制备偏差的实验方法

1986-10-16