ISO 21927-2-2018 标准详情
- 标准号:ISO 21927-2-2018
- 中文标题:
- 英文标题:Smoke and heat control systems -- Part 2: Specifications for natural smoke and heat exhaust ventilators
- 标准类别:国际标准化组织ISO
- 发布日期:
This document applies to natural smoke and heat exhaust ventilators (NSHEV) operating as part of smoke and heat exhaust systems (SHEVS), placed on the market. This document specifies requirements and gives test methods for natural smoke and heat exha
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