Yu MyeongJong
Sensor Box
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10.0Thermo-hygrometer
Yu MyeongJong
포스코 교대
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ツール ( 水準器 , 照度計 , 羅針盤 , 騒音計 , 速度計 , 気圧計 )
Yu MyeongJong
경조비 관리 ( 경조 , 경조사 )
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Posco Calendar
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Sudoku
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만능 계산기
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수평기
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10進計算器
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어르신 전화(효도폰)
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Screen alarm clock
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서울교통공사 교대
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Sun alarm
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부조금 관리
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나침반 (패철)
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일일달력
Yu MyeongJong