UL 680 BULLETIN-2007 标准详情
- 标准号:UL 680 BULLETIN-2007
- 中文标题:UL安全标准.应急储藏室通风机和储藏室通风口
- 英文标题:ul standard for safety emergency vault ventilators and vault-ventilating ports
- 标准类别:美国保险商实验室标准UL
- 发布日期:2007-01-01
These requirements cover emergency vault ventilators (EMVs) and vault-ventilating ports for installation in a wall. EMVs are intended to provide fresh air to persons locked in the vault by accident or during a robbery. Vault-ventilating ports are int
* 特别声明:资源收集自网络或用户上传,本网站所提供的电子文本仅供参考,请以正式出版物为准。仅供个人标准化学习,研究使用。如有侵权,请及时联系我们!