000 00287nam a2200121Ia 4500
100 _aKumar/S
942 _cBK
654 _aRefrigeration & Airconditioning
245 _aRefrigeration & airconditioning solved papers
260 _bNew Heights
_aDelhi
300 _a93
546 _aENGLISH
999 _c27402
_d27402