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锆精矿
Zircon concentrate
价格：￥0.00
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TZM钼合金棒材
TZM molybdenum alloy bars
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钽锭
Tantalum ingot
价格：￥0.00
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五氧化二铌
Niobium pentoxide
价格：￥0.00
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五氧化二钽
Tantalum pentoxide
价格：￥0.00
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合成白钨
Synthetic scheelite
价格：￥0.00
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压力容器用锆及锆合金板材
Zirconium and zirconium alloy sheet and plate for pressure vessel
价格：￥0.00
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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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粉冶钼合金顶头
Sintered molybdenum alloy mandrels for tube-rolling
价格：￥0.00
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钨丝下垂试验方法
Test method for sag of tungsten wire
价格：￥0.00
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