UL 539 Ed. 5 标准详情
- 标准号:UL 539 Ed. 5
- 中文标题:
- 英文标题:Single And Multiple Station Heat Alarms
- 标准类别:美国保险商实验室UL
- 发布日期:
Covers heat actuated, mechanically or gas operated, single- and multiple-station heat detectors meant for indoor installation. Does not cover electrically operated single- or multiple-station smoke, flame, or heat detectors.
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