pISSN : 1598-706X / eISSN : 2288-8381
Journal of Korea Foundry Society 1990 june ;10(3) : 219-224
Journal of Korea Foundry Society 1990 june ;10(3) : 225-234
Journal of Korea Foundry Society 1990 june ;10(3) : 235-246
Journal of Korea Foundry Society 1990 june ;10(3) : 247-253