01130nam0 22002651i 450 UON0015246620231205102928.24020020107d1977 |0itac50 baengIN|||| 1||||Maintenance of mining machineryseminar proceedings, Calcutta, November 2-4, 1976New DelhiNational Productivity Council1977VIII, 446 p.ill.25 cmUON00369214Workshop on maintenance of mining machinery, Calcutta, India 1976INNew DelhiUONL000110SI GEN E XIISUBCONT. INDIANO - CONGRESSI - ECONOMIAANational Productivity CouncilNew DelhiUONV090820National productivity councilUONV264682650ITSOL20240220RICASIBA - SISTEMA BIBLIOTECARIO DI ATENEOUONSIUON00152466SIBA - SISTEMA BIBLIOTECARIO DI ATENEOSI SI GEN E XII 002 SI SA 64437 7 002 Maintenance of mining machinery1274537UNIOR