TY - BOOK AU - Han,Sŏng-nin TI - Kŭmsok chŏlsak kidaeyong chigu sŏlgye pʻyŏllam AV - TJ1160. H33 PY - 1966/// CY - Pʻyŏngyang PB - Kongŏp Chʻulpʻansa KW - Machine-shop practice KW - Handbooks, manuals, etc ER -