00469nam a2200157Ia 4500 230714s9999 xx 000 0 und d eng 621.57 KHU Khurmi R.S. 141538 Textbook Of Refrigeneration And Air Conditioning (Si Units) 2010 Eurasia Pub.Hou. 682 Rs. 400.00 Khurmi R.S. & Gupta J.K. 184777 O:0081021-Apr-2010B:297921-Apr-2010 MECH 240 200454 200454