Registration number (WIID)Project No.TitleStatus
72397LVS EN 378-3+A1:2021Refrigerating systems and heat pumps - Safety and environmental requirements - Part 3: Installation site and personal protectionStandarts spēkā
8014LVS EN 378-4:2001Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recoveryAtcelts
23571LVS EN 378-4:2001 /A1:2004Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recoveryAtcelts
20397LVS EN 378-4:2008Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recoveryAtcelts
36623LVS EN 378-4:2017Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recoveryAtcelts
38117LVS EN 378-4+A1:2012Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recoveryAtcelts
70230LVS EN 378-4+A1:2020Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recoveryAtcelts
81456LVS EN ISO 13971:2025Refrigeration systems and heat pumps - Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes - Requirements and classification (ISO 13971:2012)Standarts spēkā
60180LVS EN ISO 14903:2018Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO 14903:2017)Atcelts
77871LVS EN ISO 14903:2025Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO 14903:2025)Standarts spēkā
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