000 00303nam a2200121Ia 4500
008 220201s1977 xx 000 0 eng d
082 _a621.56
_bSAR
100 _aSarao,AS & Gaabi,PS
245 0 _aRefrigation and air conditioning
260 _bDelhi,Satya prakash
_c1977
300 _a256
942 _2ddc
999 _c80110
_d80110