4866 46 10 december 1984 The Office of Patents Administration The Republic of Korea Editor mixed material Korea The Office of Patents Administration The Republic of Korea 1984 WhatsApp_Image_2025-08-07_at_15.45.09.jpeg.jpeg march 1985 The Office of Patents Administration The Republic of Korea Editor mixed material Korea The Office of Patents Administration The Republic of Korea 1985 WhatsApp_Image_2025-08-07_at_15.50.57.jpeg.jpeg october 1991 The Korean Industrial Property Office The Republuic of Korea Editor mixed material Korea The Korean Industrial Property Office The Republuic of Korea 1991 WhatsApp_Image_2025-08-07_at_15.35.33.jpeg.jpeg august 1988 The Office of Patents Administration The Republic of Korea Editor mixed material Korea The Office of Patents Administration The Republic of Korea 1988 WhatsApp_Image_2025-08-07_at_15.53.37.jpeg.jpeg august 1987 The Office of Patents Administration The Republic of Korea Editor mixed material Korea The Office of Patents Administration The Republic of Korea 1987 WhatsApp_Image_2025-08-07_at_15.56.32.jpeg.jpeg dec. 1981 The Office of Patents Administration Republic of Korea Primary Author mixed material Seoul Korea The Office of Patents Administration Republic of Korea 1981 WhatsApp_Image_2025-09-08_at_08.07.28.jpeg.jpeg december 1985 The Office of Patents Administration Republic of Korea Primary Author mixed material Seoul Korea The Office of Patents Administration Republic of Korea 1985 WhatsApp_Image_2025-09-08_at_08.07.29.jpeg.jpeg december 1985 The Office of Patents Administration Republic of Korea Primary Author mixed material Seoul Korea The Office of Patents Administration Republic of Korea 1985 WhatsApp_Image_2025-09-08_at_08.11.31.jpeg.jpeg march 1986 The Office of Patents Administration Republic of Korea Primary Author mixed material Seoul Korea The Office of Patents Administration Republic of Korea 1986 WhatsApp_Image_2025-09-08_at_08.07.29_%281%29.jpeg.jpeg november 1986 The Office of Patents Administration Republic of Korea Primary Author mixed material Seoul Korea The Office of Patents Administration Republic of Korea 1986 WhatsApp_Image_2025-09-08_at_08.07.30.jpeg.jpeg