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首饰精密加工石膏模具
Precision machining gypsum mold for jewellery
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合金摆件 铸造安全技术规范
Alloy ornaments-Safety technical regulations for casting
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金覆盖层电铸摆件
Electroformed ornaments of gold coatings
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烟花爆竹出厂包装检验规程
Examination regulations for leaving factory,s packing of fireworks and firecrackers
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烟花爆竹.烟火药TNT当量测定方法
Fireworks and firecracker.Determination methods of TNT equivalent of pyrotechnics
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烟花爆竹.烟火药安全性指标及测定方法
Fireworks and firecracker-safety requirement and test of pyrotechnics
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烟花爆竹.烟火药认定方法
Fireworks and firecracker.method for identifying pyrotechnics
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莨绸工艺饰品
Gambiered canton silk crafts
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首饰 贵金属含量的无损检测 密度综合法
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贵金属饰品
Precious metal adornment
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