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贵金属及其合金熔化温度范围的测定 热分析试验方法
Determination of melting temperature range for precious metals and their alloys--Testing method of thermal analysis
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贵金属及其合金材料电阻系数测试方法
Method of measurement of resistivity of precious metals and their alloys
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贵金属及其合金密度的测试方法
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铜及铜合金管材超声波(横波)检测方法
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连铸钢坯凝固组织枝晶间距的测定方法
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优质结构钢连铸坯低倍组织缺陷评级图
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铝电解阳极效应系数和效应持续时间的计算方法
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