中文名称:阻烟器
英文名称:UL Standard for Safety for Smoke Dampers Fourth Edition; Reprint with Revisions Through and Including 07/06/2006
ICS分类:13.220.20
中标分类:C81
发布日期:1999-06-01
实施日期:
替代标准:UL 555S-1993
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