000 00305nam a2200109Ia 45e0
008 181001s1978 xx 000 0 und d
100 _aComkundwar
245 0 _aCourse in refrigeration & air conditioning
260 _aDelhi
_bDhanpat Rai & Sons
_c1978
300 _a952
942 _2ddc
_cBK
999 _c2694
_d2694