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铜及铜合金化学分析方法 硼含量的测定 姜黄素直接光度法
Methods for chemical analysis of copper and copper alloys -- Determination of boron content -- Curcumin spectrophotometric method
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铸造黄铜锭
Brass ingots for casting
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黄铜中铜、铅、铁、铋、锑、磷、砷的测定 波长色散X射线荧光光谱法
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粗铜中金、银量的测定 火试金重量法
Determination of gold and silver contents of blister copper--Fire assay gravimetric method
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粗铜化学分析方法 铅、铋、锑量的测定
Methods for chemical analysis of blister copper -- Determination of Lead, Bismuth and Antimony contents
价格：￥0.00
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粗铜化学分析方法 金和银量的测定
Methods for chemical analysis of blister copper -- Determination of gold and silver contents
价格：￥0.00
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粗铜化学分析方法 砷量的测定
Methods for chemical analysis of blister copper -- Determination of arsenic content
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黄铜磨光棒
Ground brass rods
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