VDE 0418-3-52-2006 Electricity metering equipment (AC) - Particular requirements - Part 52: Symbols (IEC 62053-52:2005); German version EN 62053-52:2005
VDE 0468-2-52-2018 Environmental testing - Part 2-52: Tests - Test Kb: Salt mist@ cyclic (sodium chloride solution) (IEC 60068-2-52:2017); German version EN IEC 60068-2-52:2018
VDE 0468-2-52 BERICHTIGUNG 1-2019 Environmental testing - Part 2-52: Tests - Test Kb: Salt mist@ cyclic (sodium chloride solution) (IEC 60068-2-52:2017); German version EN IEC 60068-2-52:2018; Corrigendum 1
VDE 0887-969-52-2016 Radio-frequency connectors - Part 52: Sectional specification for series MMCX RF coaxial connectors (IEC 61169-52:2015); German version EN 61169-52:2015