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DIN
DIN EN IEC 61803:2025-11
En Vigor
2025-11-01
Determination of power losses in high-voltage direct current (HVDC)
converter stations (IEC 22F/821/CDV:2025); German and English version
prEN IEC 61803:2025 / Note: Date of issue 2025-10-24*Intended as
replacement for DIN EN IEC 61803 (2021-06).
DIN
DIN EN 49-2:2025-11
En Vigor
2025-11-01
Wood preservatives - Determination of the protective effectiveness
against Anobium punctatum (De Geer) by egg-laying and larval survival -
Part 2: Application by impregnation (Laboratory method); German and
English version prEN 49-2:2025 / Note: Date of issue 2025-09-26*Intended
as replacement for DIN EN 49-2 (2015-10).
DIN
DIN EN ISO 20127:2025-11
En Vigor
2025-11-01
Dentistry - Physical properties of powered toothbrushes (ISO
20127:2025); German version EN ISO 20127:2025
DIN
DIN 38411-25:2025-11
En Vigor
2025-11-01
German standard methods for the examination of water, waste water and
sludge - Microbiological methods (group K) - Part 25: Protocol for the
validation of alternative confirmation procedures and for verification
of validated alternative confirmation procedures (K 25)
