NF E35-421:1993 Refrigerating systems and heat pumps. Test method of equipments for recovery, recycling and reclaim of refrigerants used in refrigerating systems and heat pumps.
2011NF E35-421:2011 Refrigerating systems and heat pumps - Test method of equipments for recovery, recycling and reclaim of refrigerants used in refrigerating systems and heat pumps.
1993NF E35-421:1993 Refrigerating systems and heat pumps. Test method of equipments for recovery, recycling and reclaim of refrigerants used in refrigerating systems and heat pumps.