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4002-金属材料处理或加工服务

400004磁化;400007镀银;400011锡焊;400013镀镉;400017镀铬;400018金属电镀;400024涂金;400026电镀;400027镀锡;400029铁器加工;400031铣削加工;400034镀锌;400042金属处理;400043金属回火;400045镀镍;400085镀金;400086激光划线;400093精炼;400099锅炉制造;400100金属铸造;400108配钥匙;400125焊接服务;银器制作;金属熔炼服务;退磁;锡器加工;气焊设备出租;金属镀釉;消磁;金属精炼;金属加工;金属硬化;金属热处理;热浸镀;退火;模具铸造;焊接;金属层压


注:1.镀锡与3713重新镀锡类似;
2.本类似群与4001打磨,碾磨加工,层压,研磨,研磨抛光,喷砂处理服务类似。

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