pISSN : 1598-706X / eISSN : 2288-8381
Journal of Korea Foundry Society 1992 december ;12(6) : 442-449
Journal of Korea Foundry Society 1992 december ;12(6) : 450-457
Journal of Korea Foundry Society 1992 december ;12(6) : 458-463
Journal of Korea Foundry Society 1992 december ;12(6) : 464-470
Journal of Korea Foundry Society 1992 december ;12(6) : 471-479