00809nac a22001931u 4500 090607t xxu||||| |||| 00| 0 eng d 8121927811 621.56 KHU Khurmi, R. S. 5820 A Textbook of Refrigeration and Air Conditioning / R. S.Khurmi, J. Gupta. Multicolour illustrative edition New Delhi : S Chand & Co., 1987 682p. : ill. ; 24 cm. Refrigeration and refrigerating machinery. 5821 Air conditioning. 5822 Gupta, J. 5823 BB 621.56KHU ddc 11744 11744 0 0 ddc 0 0 Alahram MAIN MAIN 1ST 2009-06-07 purchase 136.50 359 5 4 621.56 KHU 000016161 2025-07-15 00:00:00 2020-11-11 BB