000 00266nam a2200109Ia 4500
008 220201s1974 xx 000 0 eng d
100 _aDomkundwar,S
245 0 _aCourse in Heat Refrigers air conditing
260 _bDhanpat rai
_c1974
300 _a385
942 _2ddc
999 _c79746
_d79746