UL-998 › Complete Document History
Humidifiers
Complete Current Edition: |
6TH EDITION - HUMIDIFIERS - April 9, 2020
CHANGE 07/22 - REVISION CHANGE - CODE B - July 5, 2022
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Obsolete Revision Information: |
CHANGE 04/16 - REVISION CHANGE - CODE B - April 4, 2016
CHANGE 05/11 - REVISION CHANGE - CODE B - May 19, 2011
5TH EDITION - HUMIDIFIERS - April 25, 2011
CHANGE 05/06 - REVISION CHANGE - CODE A - May 12, 2006
CHANGE 06/03 - REVISION CHANGE - CODE A - June 23, 2003
4TH EDITION - HUMIDIFIERS - Nov. 7, 2001
3RD EDITION - HUMIDIFIERS - Jan. 1, 1993
1987 EDITION - HUMIDIFIERS - Jan. 1, 1987
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