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  • bitdays.co.kr/2022/01/15/%25EC%2583%2581%25EC%259C%2584-%25EA%25B5%25AD%25EA%25B0%2580-%25EB%258D%25B0%25EC%259D%25B4%25ED%2584%25B0-%25EB%25B6%2584%25EC%2584%259D%25EC%259D%25B4%25EC%259E%2588%25EB%258A%2594-%25EC%25A0%2584%25EC%2584%25B8%25EA%25B3%2584-ftir-%25EB%25B6%2584%25EA%25B4%2591%25EA%25B3%2584-%25EC%258B%259C%25EC%259E%25A5/ (port 80)