国产+无码+免费,索爱 电影,国精品人妻无码一区二区三区软件,亚洲精品一级av在线免费观看,调教文公主,在线欧美最极品的av,一本一道色欲综合网,国产视屏福利影视1区,天堂网av中文字幕无码,青蜂侠周杰伦完整版

Standards and specifications for implementation:

Fireproof Window GB16809-1997

Safety glass for construction, fireproof glass GB15763.1-2001

Technical conditions for the passage of fire-resistant glass non-load-bearing partitions CA 97-1995

Test method for fire resistance of glazing members GB/T 12513-200