000 00278nam a22001097a 4500
082 _a697
_bHAL
_cL-39,P-50
100 _aHall F
_945596
245 _aHeating ventilating and air conditioning
526 _a0
_b0
_c0
_d697_000000000000000_HAL
650 _aMCE
_9379
942 _2ddc
_cBK
999 _c549095
_d549095