TY  - BOOK
AU  - KHURMI R.S./ GUPTA J.K.
TI  - REFRIGERATION AND AIRCONDITIONING
SN  - 9788121927819
U1  - 621.56/KHU 
PY  - 2019///
CY  - 
PB  - S. CHAND 
KW  - NULL
ER  -