UL 1971 BULLETIN-2008 标准详情
- 标准号:UL 1971 BULLETIN-2008
- 中文标题:听力障碍者用信号装置UL安全性标准.评议提交截止日期:2008年5月2日
- 英文标题:ul standard for safety signaling devices for the hearing impaired stp ballots due: june 30, 2008
- 标准类别:美国保险商实验室标准UL
- 发布日期:2008-03-10
These requirements cover emergency-signaling devices for the hearing impaired. The evices and/or systems covered by this standard are suitable for use in a controlled environment, or in an uncontrolled environment as indicated in the product marking.
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