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【国际标准】 Smoke and heat control systems — Part 4: Natural smoke and heat exhaust ventilators — Design, requirements and installation
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2024-12-05
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标准简介适用范围：
暂无
标准号：
ISO 21927-4:2019 EN
标准名称：
Smoke and heat control systems — Part 4: Natural smoke and heat exhaust ventilators — Design, requirements and installation
英文名称：
Smoke and heat control systems — Part 4: Natural smoke and heat exhaust ventilators — Design, requirements and installation标准状态：
现行-
发布日期：
2019-04-02 -
实施日期：
出版语种：
EN
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