UL Standard for Safety Closure Systems for Use with Flexible Air Ducts and Air Connectors Second Edition; Reprint with revisions through and including February 13, 2008.
国外标准现行
标准号:UL 181B-2005
标准名称: 同柔性风管和风管接头一起使用的密闭系统
英文名称:UL Standard for Safety Closure Systems for Use with Flexible Air Ducts and Air Connectors Second Edition; Reprint with revisions through and including February 13, 2008.