000 00312nam a2200121Ia 4500
008 220201s1974 xx 000 0 eng d
082 _a621.56
100 _aDomkundwar,S & Arora,SC
245 0 _aCourse in Refigeration and air conditioning
260 _bDhanpat rai & sons
_c1974
300 _a559
942 _2ddc
999 _c79991
_d79991