ANSI/UL 618-2003 标准详情
- 标准号:ANSI/UL 618-2003
- 中文标题:混凝土圬工砌筑单元的安全规范
- 英文标题:Standard for Safety for Concrete Masonry Units
- 标准类别:美国国家标准
- 发布日期:2003
These requirements cover concrete masonry units classified for use in fire resistive walls. Concrete masonry units are classified as follows: a) 2-hour units are intended for use in fire resistive walls having a rating of 2 hours or less. b) 3-hour u
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