Fixed firefighting systems - Gas extinguishing systems - Part 5: Physical properties and system design of gas extinguishing systems for HFC 227ea extinguishant (ISO 14520-9:2006, modified)
固定消防系统.气体灭火系统.第5部分:HFC 227ea灭火剂气体灭火系统的物理特性和系统设计(ISO 14520-9-2006 修改)