00560nam a22001937a 4500 230609b |||||||| |||| 00| 0 eng d 8122402852 National Science Library National Science Library 621.182:620.9 N0 Murgai, M P 11322 Boiler operations New Delhi: Wiley Eastern Limited, 1990 338p. Progress in energy auditing and conservation Energy conservation Boilers Chandra, Ram udc BK 41555 41555 0 0 udc 0 6211826209_N0 0 61974 NSL NSL GF/Rk-12/C-19/R-4 1991-07-01 0 621.182:620.9 N0 172067 2023-06-09 00:00:00 1991-07-01 BK