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استخدام نظام الأطفاء بغاز ثانى اكسيد الكربون فى غرف المحولات الكهربية
NFPA 12 Standard on Carbon Dioxide Extinguishing Systems
This standard contains requirements for carbon dioxide fire-extinguishing systems to help ensure that such equipment will function as intended throughout its life. It is intended for those who purchase, design, install, test, inspect, approve, list, operate, or maintain these systems.