AS ISO 14520.14:2009 Physical characteristics and system design of gas fire extinguishing systems IG-55 fire extinguishing agent (ISO 14520-14: 2005, MOD)
1970AS ISO 14520.14:2009 Physical characteristics and system design of gas fire extinguishing systems IG-55 fire extinguishing agent (ISO 14520-14: 2005, MOD)