pISSN : 1598-706X / eISSN : 2288-8381
Journal of Korea Foundry Society 1990 april ;10(2) : 129-143
Journal of Korea Foundry Society 1990 april ;10(2) : 144-153
Journal of Korea Foundry Society 1990 april ;10(2) : 154-161
Journal of Korea Foundry Society 1990 april ;10(2) : 162-170