证书库
Certificates-
6-17-03-01 铸管备品工·五级(初级工)
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6-17-03-02 铸管工·五级(初级工)
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6-17-03-03 铸管精整工·五级(初级工)
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6-17-04-01 铁合金原料工·五级(初级工)
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6-17-04-02 铁合金火法冶炼工·五级(初级工)
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6-17-04-03 铁合金焙烧工·五级(初级工)
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6-17-04-04 铁合金湿法冶炼工·五级(初级工)
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6-17-04-05 钒氮合金工·五级(初级工)
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6-17-05-01 重冶备料工·五级(初级工)
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6-17-05-02 重金属物料焙烧工·五级(初级工)
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6-17-05-03 重冶火法冶炼工·五级(初级工)
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6-17-05-04 重冶湿法冶炼工·五级(初级工)
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6-17-05-05 电解精炼工·五级(初级工)
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6-17-06-01 氧化铝制取工·五级(初级工)
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6-17-06-02 铝电解工·五级(初级工)
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6-17-06-03 镁冶炼工·五级(初级工)
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6-17-06-04 硅冶炼工·五级(初级工)
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6-17-07-01 钨钼冶炼工·五级(初级工)
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6-17-07-02 钽铌冶炼工·五级(初级工)
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6-17-07-03 钛冶炼工·五级(初级工)
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6-17-07-04 稀土冶炼工·五级(初级工)
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6-17-07-05 稀土材料生产工·五级(初级工)
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6-17-07-06 贵金属冶炼工·五级(初级工)
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6-17-07-07 锂冶炼工·五级(初级工)