8892-9 / 2024

نظم التحكم في الحرارة والدخان الجزء: التاسع مواصفات فنية لمعدات التحكم (ISO: 21927-9:2012 (Confirmed in 2024))(متبناة)

This part of ISO 21927 specifies the product performance requirements, classifications and test methods for control equipment designed for use in smoke- and heat-control systems (SHCS) in buildings