UL 753 Ed. 7 标准详情
- 标准号:UL 753 Ed. 7
- 中文标题:报警配件用于自动供水控制阀消防保护服务
- 英文标题:Alarm Accessories For Automatic Water-supply Control Valves For Fire-protection Service
- 标准类别:美国保险商实验室UL
- 发布日期:
Describes accessories for control valves in automatic sprinkler equipment for fire-protection and may include water motors, gongs, pressure-operated switches and other attachments, normally used with alarms.
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