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STN is a protected designation of Slovak national technical standards.
Refrigerating systems and heat pumps. Safety and environmental requirements. Part 4: Operation, maintenance, repair and recovery
WITHDRAWN published on 1.2.2022
Selected format:Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recovery
WITHDRAWN published on 1.4.2020
Selected format:Refrigerating systems and heat pumps.Safety and environmental requirements.Part 4: Operation, maintenance, repair and recovery
WITHDRAWN published on 1.9.2012
Selected format:Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recovery (ISO 5149-4:2022)
WITHDRAWN published on 1.10.2025
Selected format:Refrigerating systems and heat pumps - Safety and environmental requirements - Positive displacement refrigerant compressors
Standard published on 1.9.2026
Selected format:Refrigerating systems and heat pumps - Safety and environmental requirements - Positive displacement refrigerant compressors
WITHDRAWN published on 1.10.2008
Selected format:Refrigerating systems and heat pumps. Safety and environmental requirements. Positive displacement refrigerant compressors
WITHDRAWN published on 1.8.2009
Selected format:Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO 14903:2025)
Standard published on 1.4.2025
Selected format:Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO 14903:2017)
WITHDRAWN published on 1.2.2018
Selected format:Refrigerating systems and heat pumps.Qualification of tightness of components and joints
WITHDRAWN published on 1.8.2011
Selected format:Latest update: 2026-11-08 (Number of items: 2 209 204)
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