UL 428B:1ED 2015-06
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy
08-22-2022
06-05-2015
This revision of ANSI/UL 428B dated February 5, 2021 is issued to Equate Long Term Exposure Testing Duration – Valve and End Product; 26.3.3
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