000 00327nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.56 E484
100 _aELONKA,S.M
245 0 _aSTANDARD REGRIGERATION AND AIRCONDITIONING QUESTIONS AND ANSWERS
260 _bTata McGraw-Hill
_c1973
300 _a321
942 _cBK
_2DDC
999 _c11048
_d11048