Valsts valodas centra izstrādātie ķīmijas un ķīmiskās tehnoloģijas termini

Konteksts: [..] REFRIGERANT GAS R 407A (Difluoromethane, pentafluoroethane, and 1,1,1,2-tetrafluoroethane zeotropic mixture with approximately 20% difluoromethane and 40% pentafluoroethane) [..]
Avots: COMMISSION DIRECTIVE 1999/47/EC of 21 May 1999 adapting for the second time to technical progress Council Directive 94/55/EC on the approximation of the laws of the Member States with regard to the transport of dangerous goods by road