000 00298nam a2200121Ia 4500
008 220201s1990 xx 000 0 eng d
082 _a621.56
_bARO
100 _aArora, CP
245 0 _aRefrigeration & airconditioning
260 _bTata Mc Graw Hill Pub. Co
_c1990
300 _a726
942 _2ddc
999 _c84496
_d84496