00460nam a22001577a 4500020001800000082001900018100001700037245007800054250001600132260003200148300001900180650003000199650001600229650004100245700001600286 a9788121927819 a621.56 bKHU/R aKhurmi, R.S. aTextbook of Refrigeration and Air Conditioning/cR S Khurmi and J k Gupta a5th rev ed. aNew Delhi:bS.Chand,c2016. a754p. ;b21cm. a PhysicsaPolytechnicaME aPolytechnic a Air Conditioning and Refrigeration  a Gupta,J.K.