000 00286nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aSinghal (B.L.)
245 0 _aRefrigeration & Air Conditioning
250 _a1
260 _bTech-Max publications,pune (Tech-Max )
942 _2ddc
_cBTECH
999 _c6032
_d6032