TY - BOOK AU - Duchnič, A. D. TI - Iron and steel plant maintenance organization T2 - Course of lectures on metallurgical practice for United Nations fellowship holders at Zaporozhye iron and steel works PY - 1969///] CY - [M.] PB - Vneshtorgizdat KW - Черная металлургия KW - Руководства, пособия и т. п KW - nlr_sh1 KW - Э4-730 KW - rubbk ER -