TY  - BOOK
AU  - MANGAL, NARENDRA KUMAR
TI  - Refrigeration & Airconditioning
U1  - D6,8(MC421) 
PY  - 1984///
CY  - JAIPUR
PB  - RAJASTHAN HINDHI GRANTH ACADAMY
KW  -  AIRCONDITIONING
KW  - REFRIGERATION
ER  -