mechen 发表于 2013-9-16 08:20:56

NFPA 288-2007

NFPA 288-2007 Standard Methods of Fire Tests of Floor Fire Door Assemblies Installed Horizontally in Fire Resistance–Rated Floor Systems





admin 发表于 2013-9-16 11:12:51

谢谢您的分享，金币已奖励。
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