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| 1. | Raw and Auxiliary materials: iron powder, copper powder, tungsten powder, tungsten-carbide powder, stainless (high-speed) steel powder, magnetic material, ceramic material, nanophase material and other metal powders and alloy powders. |
| 原辅材料类：铁粉、铜粉、钨粉、碳化钨粉、不锈（高速）钢粉、磁性材料、陶瓷材料和钠米材料及其它元素金属粉末及合金牌号的粉末等。 |
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| 2. | Types of heat-resisting superalloys |
| GB/T14992-1994高温合金牌号 |
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| 3. | " Unified numbering system for designations of iron,steel and alloy" |
| GB/T17616-1998钢铁及合金牌号统一数字代号体系 |
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