000 00301nam a2200121Ia 4500
008 220201s1983 xx 000 0 eng d
082 _a621.56
_bPRA
100 _aPradhan,ML&Soni,ML
245 0 _aRefrigeration and air conittionnig
260 _bDhanpat rai&sons
_c1983
300 _a544
942 _2ddc
999 _c83240
_d83240