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 exhaust
18-08-2024
68
هندسية
نظم الأمان
أجهزة
1,120 ج.م.
ISO: 21927-2:2018
متبناه
غير الزامى
13.220.20