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金属钇及氧化钇化学分析方法 氧化镧、氧化铈、氧化镨、氧化钕、氧化钐、氧化铕、氧化钆、氧化铽、氧化镝、氧化钬、氧化铒、氧化铥、氧化镱和氧化镥量的测定
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精密合金牌号
Designation of precision alloys
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精密合金用磁学特性和磁学量术语
Magnetic characters and magnetic values terms definitions for procision alloys
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重有色冶金炉窑热平衡测定与计算方法(吹炼转炉)
Methods of determination and calculation of heat balance in metallurgical furnaces for heavy non-ferrous metals
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电子废弃物的贮存安全规范
Safety specification for storege of electronic waste
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电子废弃物的运输安全规范
Safety specification for transportation of electronic waste
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钽及钽合金牌号和化学成分
Designation and composition of tantalum and tantalum alloy
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铅锌矿采、选能源消耗限额
The energy consumption of zinc and lead mine for mining and processing
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镍精矿生产能源消耗限额
The norm of energy consumption for producing nickel concentrate
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