pISSN : 1598-706X / eISSN : 2288-8381
Journal of Korea Foundry Society 2001 october ;21(5) : 280-285
Journal of Korea Foundry Society 2001 october ;21(5) : 286-289
Journal of Korea Foundry Society 2001 october ;21(5) : 290-295
Journal of Korea Foundry Society 2001 october ;21(5) : 296-303