DavisMBSMBA 发表于 2017-6-17 09:00:19

UL 299-2007

Standard for Dry Chemical Fire Extinguishers, UL 299
Tenth Edition, Dated August 14, 2002
Revisions: This Standard contains revisions through and including January 31, 2007.

admin 发表于 2017-6-20 11:53:34

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