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182612+ standards in database
182612 result(s) found
锡精矿化学分析方法 砷量的测定 砷锑钼蓝分光光度法和蒸馏分离-碘滴定法
Methods for chemical analysis of tin concentrates--Determination of arsenic content--The molybdoantimonyarsenate blue spectrophotometric method and the distillation-iodimetric titrimetric method
锡精矿化学分析方法 锑量的测定 孔雀绿分光光度法和火焰原子吸收光谱法
Methods for chemical analysis of tin concentrates--Determination of antimony content--The malachite green spectrometric method and the flame atomic absorption spectrometric method
锡精矿化学分析方法 铋量的测定 火焰原子吸收光谱法
Methods for chemical analysis of tin concentrates--Determination of bismuth content--Flame atomicabsorption spectrometric method
锡精矿化学分析方法 锌量的测定 火焰原子吸收光谱法
Methods for chemical analysis of tin concentrates--Determination of zinc content--Flame atomic absorption spectrometric method
锡精矿化学分析方法 三氧化钨量的测定 硫氰酸盐分光光度法
Methods for chemical analysis of tin concentrates--Determination of tungsten trioxide content--The thiocyanate spectrophotometric method
贵金属及其合金产品的包装、标志、运输、贮存
Products of precious metalsand their alloys--Packing，marking，transporting and storing
渐开线花键滚刀 通用技术条件
The general technical specifications for involute splines hobs
刀口形直尺
Knife straight edge
蝶形螺母 圆翼
Wing nuts--Round wing
蝶形螺母 方翼
Wing nuts--Square wing
蝶形螺母 冲压
Wing nuts--Pressing wing
氧化铝化学分析方法和物理性能测定方法 火焰原子吸收光谱法测定氧化锂含量
Chemical analysis methods and determination of physical performance of alumina--Determination of lithia content--Flame atomic absorption spectrophotometric method
氧化铝化学分析方法和物理性能测定方法 火焰原子吸收光谱法测定氧化镁含量
Chemical analysis methods and determination of physical performance of alumina--Determination of magnesia content--Flame atomic absorption spectrophotometric method
氧化铝化学分析方法和物理性能测定方法 丁基罗丹明B分光光度法测定三氧化二镓含量
Chemical analysis methods and determination of physical performance of alumina--Determination of gallium trioxide content--Butyrhodamine B spectrophotometric method
氧化铝化学分析方法和物理性能测定方法 氧化钠含量的测定
Chemical analysis methods and determination of physical performance of alumina--Determination of sodium oxide content
氧化铝化学分析方法和物理性能测定方法 火焰光度法测定氧化钾含量
Chemical analysis methods and determination of physical performance of alumina--Determination of potassium oxide content--Flame photometric method
内径指示表
Dial bore gauges
梯形螺纹量规 技术条件
Tolerances and general features of gauges for metric trapezoidal screw threads
金属直尺
Metal ruler
奇数沟千分尺
Micrometer with prismatically arranged measuring faces