00451nam a2200169Ia 4500008004100000041000800041082002300049100002400072245006400096260002700160300000800187365001600195700001400211710002900225906000800254999001900262230312s9999    xx            000 0 und d  aeng  a621.57b621.57 KHU  aKhurmi R.S.9141538  aTextbook Of Refrigeneration And Air Conditioning (Si Units)  c2010bEurasia Pub.Hou.  a682  cRs.b400.00  aGuptaJ.K.  aKhurmi R.S. & Gupta J.K.  b240  c133150d133150