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DIN
DIN EN ISO 22074-4/A1:2025-11
En Vigor
2025-11-01
Railway infrastructure - Rail fastening systems - Part 4: Test methods
for resistance to repeated loading - Amendment 1 (ISO 22074-4:2022/DAM
1:2025); German and English version EN ISO 22074-4:2024/prA1:2025 /
Note: Date of issue 2025-10-24*Intended as an amendment to DIN EN ISO
22074-4 (2024-07).
DIN
DIN EN ISO 148-2:2025-11
En Vigor
2025-11-01
Metallic materials - Charpy pendulum impact test - Part 2: Verification
of testing machines (ISO/DIS 148-2:2025); German and English version
prEN ISO 148-2:2025 / Note: Date of issue 2025-10-24*Intended as
replacement for DIN EN ISO 148-2 (2017-05).
DIN
DIN EN IEC 63261:2025-11
En Vigor
2025-11-01
Representation of electrical and instrument objects in digital 3D plant
models during engineering (IEC 63261:2024); German version EN IEC 63261:2024
DIN
DIN 1946-4/A1:2025-11
En Vigor
2025-11-01
Ventilation and air conditioning - Part 4: Ventilation in buildings and
rooms of health care; Amendment 1
