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UL 1977
AWS WHC-3.09:2008
AWS D17.1/D17.1M:2017
AWS B2.1-1-210:R2012
CAN/CSA F380-M87(R1994)
ANSI Z 21.11.2a:2013
IEEE 776:2019
ASHRAE/IES 90.1ba:2016
CII SD-24
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