pISSN : 1598-706X / eISSN : 2288-8381
Journal of Korea Foundry Society 1991 december ;11(6) : 455-462
Journal of Korea Foundry Society 1991 december ;11(6) : 463-474
Journal of Korea Foundry Society 1991 december ;11(6) : 75-481
Journal of Korea Foundry Society 1991 december ;11(6) : 482-490
Journal of Korea Foundry Society 1991 december ;11(6) : 491-497