一本久道久久综合婷婷五月_亚洲中文无码线在线观看_久热精品在线视频_国产人成视频在线观看人妻欧美日韩在线_老子影院午夜_免费的三级片中文字幕无码_91亚洲国产欧美_午夜啪啪福利

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