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$NF B40-325-1985 Shaped insulating refractory products Determination of the permanent change in dimensions on heating 《异型绝热耐火制品热度作用下尺寸永久变形的测定》.pdf$ 6

$NF B40-325-1985 Shaped insulating refractory products Determination of the permanent change in dimensions on heating 《异型绝热耐火制品热度作用下尺寸永久变形的测定》.pdf$ NF B40-325-1985 Shaped insulating refractory products Determination of the permanent change in dimensions on heating 《异型绝热耐火制品热度作用下尺寸永久变形的测定》.pdf

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$NF B40-321-1995 Methods of test for dense shaped refractory products Part 1 determination of bulk density apparent porosity and true porosity 《致密异型耐火材料制品的试验方法第1部分：松装密度、表观孔隙率和真实孔隙.pdf$ 11

$NF B40-321-1995 Methods of test for dense shaped refractory products Part 1 determination of bulk density apparent porosity and true porosity 《致密异型耐火材料制品的试验方法第1部分：松装密度、表观孔隙率和真实孔隙.pdf$ NF B40-321-1995 Methods of test for dense shaped refractory products Part 1 determination of bulk density apparent porosity and true porosity 《致密异型耐火材料制品的试验方法第1部分：松装密度、表观孔隙率和真实孔隙.pdf

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$NF B40-316-1989 Refractory materials Determination of thermal conductivity Part 2 hot-wire method (parallel) 《耐火材料热导系数的测定第2部分热导线的方法（平行）》.pdf$ 14

$NF B40-316-1989 Refractory materials Determination of thermal conductivity Part 2 hot-wire method (parallel) 《耐火材料热导系数的测定第2部分热导线的方法（平行）》.pdf$ NF B40-316-1989 Refractory materials Determination of thermal conductivity Part 2 hot-wire method (parallel) 《耐火材料热导系数的测定第2部分热导线的方法（平行）》.pdf

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5

NF A65-727-1988 Semi-finished products made of magnesium alloys Rectangular section exruded bars Dimensions and tolerances 《镁合金制半成品矩型材挤制棒尺寸和公差》.pdf

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NF A57-711-2006 Foundry products - Aluminium aluminium- magnesium- and zinc - Alloys pressure die castings - Supplying 《铸造产品铝和铝镁锌合金压模铸件供应条件》.pdf

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NF A57-500-1997 Magnesium and magnesium alloys Magnesium alloy ingots and castings 《镁和镁合金镁合金锭和铸件》.pdf

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NF A08-361-1989 Chemical analysis of ferrous materials Determination of calcium in steels Flame atomic absorption spectrometric method 《黑色金属材料的化学分析钢中钙的测定火焰原子吸收光谱法》.pdf

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14

NF A08-349-1984 Chemical analysis of steel and cast iron Determination of cobalt content Flame atomic absorption spectrometric method 《钢和铸铁的化学分析钴含量的测定火焰原子吸收光谱法》.pdf

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NF A65-727-1988 Semi-finished products made of magnesium alloys Rectangular section exruded bars Dimensions and tolerances 《镁合金制半成品矩型材挤制棒尺寸和公差》.pdf

NF A57-711-2006 Foundry products - Aluminium aluminium- magnesium- and zinc - Alloys pressure die castings - Supplying 《铸造产品铝和铝镁锌合金压模铸件供应条件》.pdf

NF A57-500-1997 Magnesium and magnesium alloys Magnesium alloy ingots and castings 《镁和镁合金镁合金锭和铸件》.pdf

NF A57-140-1995 Aluminium and aluminium alloys Master alloys produced by melting Specifications 《铝和铝合金通过熔化产生的母合金规范》.pdf

NF A57-110-1995 Aluminium and aluminium alloys Liquid metal Specifications 《铝和铝合金液态金属规范》.pdf

NF A08-361-1989 Chemical analysis of ferrous materials Determination of calcium in steels Flame atomic absorption spectrometric method 《黑色金属材料的化学分析钢中钙的测定火焰原子吸收光谱法》.pdf

NF A08-349-1984 Chemical analysis of steel and cast iron Determination of cobalt content Flame atomic absorption spectrometric method 《钢和铸铁的化学分析钴含量的测定火焰原子吸收光谱法》.pdf