26 1 10 july 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_2025-07-29_at_15.47.54.jpeg.jpeg dec 1981 The Office of Patents Administration The Republic of Korea Editor mixed material Korea The Office of Patents Administration The Republic of Korea 1981 WhatsApp_Image_2025-07-29_at_15.51.46.jpeg.jpeg june 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_2025-07-29_at_15.54.34.jpeg.jpeg aug 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_2025-07-31_at_14.09.25.jpeg.jpeg july 1986 The Office of Patents Administration The Republic of Korea Editor mixed material Korea The Office of Patents Administration The Republic of Korea 1986 WhatsApp_Image_2025-07-31_at_14.12.39.jpeg.jpeg september 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_2025-07-31_at_14.21.11.jpeg.jpeg september 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_2025-07-31_at_14.23.04.jpeg.jpeg september 1986 The Office of Patents Administration The Republic of Korea Editor mixed material Korea The Office of Patents Administration The Republic of Korea 1986 WhatsApp_Image_2025-07-31_at_14.27.19.jpeg.jpeg december 1986 The Office of Patents Administration The Republic of Korea Editor mixed material Korea The Office of Patents Administration The Republic of Korea 1986 WhatsApp_Image_2025-08-07_at_15.44.10.jpeg.jpeg 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