26 1 10 october 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_2025-09-10_at_14.48.14.jpeg.jpeg may 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_2025-09-10_at_14.39.37.jpeg.jpeg nov 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_2025-09-10_at_14.33.21.jpeg.jpeg nov 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_2025-09-10_at_14.23.43.jpeg.jpeg july 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_2025-09-10_at_13.59.11.jpeg.jpeg november 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_2025-09-10_at_13.54.17.jpeg.jpeg april 1985 The Office of Patents Administration The Republic of Korea Editor mixed material The Office of Patents Administration The Republic of Korea 1985 WhatsApp_Image_2025-09-10_at_13.53.24.jpeg.jpeg april 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_2025-09-10_at_13.38.14.jpeg.jpeg june 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_2025-09-10_at_13.28.23.jpeg.jpeg october 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_2025-09-10_at_13.27.24.jpeg.jpeg