DIN EN 14972-1-2021Fixed firefighting systems - Water mist systems - Part 1: Design, installation, inspection and maintenance; German version EN 14972-1:2020

标准类别：[DIN] 德国国家标准学会标准
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标准编号：DIN EN 14972-1-2021
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更新时间：2022-04-01
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DIN EN 14972-1-2021Fixed firefighting systems - Water mist systems - Part 1: Design, installation, inspection and maintenance; German version EN 14972-1:2020

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