00358nam a2200133Ia 4500008004100000041000800041082001500049100001600064245006400080260003500144300000800179365000800187700002900195230612s9999    xx            000 0 und d  aeng  a621.57 KHU  aKhurmi R.S.  aTextbook Of Refrigeneration And Air Conditioning (Si Units)  c1987bEurasia Publishing House  a682  cRs.  aKhurmi R.S. & Gupta J.K.