000 00324nam a2200121Ia 4500
008 220201s2019 xx 000 0 eng d
100 _aDOMKUNDWAR ARORA
245 2 _aA COURSE IN REFRIGERATION AND AIR CONDITIONING
260 _aDELHI
_bDHANPAT RAI AND CO
_c2019
300 _a1330
700 _aDOMKUNDWAR A V
942 _2ddc
999 _c94125
_d94125