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  • bitdays.co.kr/2021/06/20/%ec%98%88%ec%b8%a1%ec%97%90-%ec%9d%98%ed%95%9c-%ec%b5%9c%ea%b3%a0-%ea%b5%ad%ea%b0%80-%eb%8d%b0%ec%9d%b4%ed%84%b0-%eb%b0%8f-covid-19-%ec%b6%a9%ea%b2%a9-%ea%b3%b5%ec%9c%a0-%ed%81%ac%ea%b8%b0-30/ (port 80)