000 00356nam a2200109Ia 4500
008 230907s9999||||xx |||||||||||||| ||und||
082 _a621.3
_bASH
100 _aAshrae Standards
_9116801
245 _aASHRAE 170-2017 STANDARD 170-2017 -- VENTILATION OF HEALTH CARE FACILITIES (ANSI/ASHRAE/ASHE APPROVED)
260 _bAshrae
_c2019-09-13
942 _2ddc
_cEB
999 _c599427
_d599427