92 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 july 1979 The Office of Patents, Republic of Koera Editor mixed material Korea The Office of Patents, Republic of Koera 1979 WhatsApp_Image_2025-07-29_at_15.59.08.jpeg.jpeg aug 1979 The Office of Patents, Republic of Koera Editor mixed material Korea The Office of Patents, Republic of Koera 1979 WhatsApp_Image_2025-07-29_at_16.03.12.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_14.02.27.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 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 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_2025-07-31_at_14.15.50.jpeg.jpeg