000 00312nam a2200121Ia 4500
008 250430s9999||||xx |||||||||||||| ||und||
082 _aARO
_b658.85
100 _aARORA S C
_958104
245 2 _aA COURSE IN REFRIGERATION AND AIR CONDITIONING
260 _bDHANPAT RAI & SON
_aDELHI
300 _aC19
942 _cBK
999 _c68594
_d68594