000 00266nam a22001097a 4500
020 _a9788121927819
082 _a621.56
100 _aR.S KHURMI
245 _aA TEXT BOOK OF REFRIGERATION AND AIR CONDITIONING
260 _aNEW DELHI
_bS, CHAND
_c1987P
942 _cBK
999 _c8387
_d8387