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GB 51309-2018 第3.2.4条 Technical Standard for Fire Emergency Lighting and Evacuation Indication Systems

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GB 51309-2018 第3.2.4条

| **** | After the system emergency start, the continuous working time of battery power supply shall meet: for hotels with a total building area greater than 100000㎡, not less than 1.0h; for other hotels, not less than 0.5h. |

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