000 00311nam a2200109Ia 4500
008 210616s9999 xx 000 0 und d
100 _aOm Prakash
245 0 _aRefrigeration and air conditioning course book
260 _c2013
650 _aEngineering and Allied Operations
_bMechanical Engineering
942 _cBK
999 _c5201
_d5201