Turtle Ship, Gobuksun 2017.03.20 13:24 이내원 조회 수263 Gobuksun is the world’s first unconventional iron-clad wooden war ship invented by the military genius Admiral Yi Sun-Shin of the Chosun Dynasty in 16 th century Korea. 첨부파일 1 turtle.pdf 412.03 Kb 목록보기 이전글 다음글 답글쓰기