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  • gochangkorea.co.kr/%ec%8b%9c%ec%9e%a5-%ec%a1%b0%ec%82%ac/694636/%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%8b%a4%ec%8b%9c%ea%b0%84-%ec%9c%84%ec%b9%98-%ec%b0%be%ea%b8%b0-%ec%8b%9c%ec%8a%a4%ed%85%9c-rtls-%ec%8b%9c%ec%9e%a5-2021-%eb%b0%8f-2027%ea%b9%8c%ec%a7%80-%ec%98%88/ (port 80)