NA 044
DIN Standards Committee Refrigeration Technology
Standards
[Withdrawn]
ISO 817
ISO 817
Refrigerants - Designation system
Title (German)
Organische Kältemittel - Kurzzeichen
Responsible national committee
NA 044-00-08 AA - Refrigerants
Responsible international committee
ISO/TC 86/SC 8/WG 5 - Refrigerants - Designation and safety classification