Korean swordthe Yuan Dynasty arrived in April 1277, King Chungnyeol sent Yi Jang-mu (이장무, 李藏茂) to Chungju city to make 1,000 sacks of Hwando. There were many ways
Lee Jang-mooLee Jang-Moo (Korean: 이장무, Hanja: 李長茂, born May 14, 1945) is a professor of Seoul National University in the department of Mechanical Engineering and