AS ISO 14520.6:2009 Physical characteristics and system design of gas fire extinguishing systems HCFC Blend A fire extinguishing agent (ISO 14520-6: 2006, MOD)
1970AS ISO 14520.6:2009 Physical characteristics and system design of gas fire extinguishing systems HCFC Blend A fire extinguishing agent (ISO 14520-6: 2006, MOD)