Fixed firefighting systems - Gas extinguishing systems - Part 3: Physical properties and system design of gas extinguishing systems for HCFC Blend A extinguishant (ISO 14520-6:2006, modified)
固定消防系统.气体灭火系统.第3部分:HCFC混合A灭火剂用气体灭火系统的物理特性和系统设计(ISO 14520-6-2006 修改)