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  • bitdays.co.kr/2021/05/16/%ea%b8%80%eb%a1%9c%eb%b2%8c-rfid-%eb%a6%ac%eb%8d%94-%ec%95%88%ed%85%8c%eb%82%98-%ec%8b%9c%ec%9e%a5-2021-%eb%af%b8%eb%9e%98-%ec%84%b1%ec%9e%a5-%ec%a3%bc%ec%9a%94-%ec%a0%9c%ec%a1%b0%ec%97%85%ec%b2%b4/ (port 80)