42 1 10 june 1982 The Office of Patents Administration Republic of Korea Editor mixed material Korea The Office of Patents Administration Republic of Korea 1982 WhatsApp_Image_2025-07-31_at_14.02.27.jpeg.jpeg june 1982 The Office of Patents Administration Republic of Korea Editor mixed material Korea The Office of Patents Administration Republic of Korea 1982 WhatsApp_Image_2025-07-31_at_14.06.03.jpeg.jpeg october 1982 The Office of Patents Administration, Republic of Korea Editor mixed material Korea The Office of Patents Administration, Republic of Korea 1982 WhatsApp_Image_2025-08-07_at_15.38.10.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 june 1987 The Office of Patents Administration Republic of Korea Primary Author mixed material Seoul Korea The Office of Patents Administration Republic of Korea 1987 WhatsApp_Image_2025-09-08_at_08.07.29_%282%29.jpeg.jpeg june 1987 The Office of Patents Administration Republic of Korea Primary Author mixed material Seoul Korea The Office of Patents Administration Republic of Korea 1987 WhatsApp_Image_2025-09-08_at_08.07.28_%281%29.jpeg.jpeg