Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 6: Arc and gas welding of copper and its alloys (ISO 15614-6:2006); German version EN ISO 15614-6:2006
Edition 2007-01

Temporary works equipment - Part 4: Protection fans for scaffolds - Performance requirements and product design; German version EN 12811-4:2013
Edition 2014-03

Tractors and machinery for agriculture and forestry - Safety-related parts of control systems - Part 4: Production, operation, modification and supporting processes (ISO 25119-4:2018 + Amd 1:2020); German version EN ISO 25119-4:2023 + A1:2023
Edition 2024-07

Organic coating systems and linings for protection of industrial apparatus and plants against corrosion caused by aggressive media - Part 4: Linings on metallic components; German version EN 14879-4:2007
Edition 2008-01

Needle-based injection systems for medical use - Requirements and test methods - Part 4: Needle-based injection systems containing electronics (ISO 11608-4:2022); German version EN ISO 11608-4:2022
Edition 2022-09

Road vehicles - Standardized access to automotive repair and maintenance information (RMI) - Part 4: Conformance test (ISO 18541-4:2021); German version EN ISO 18541-4:2021
Edition 2021-10

Soil, treated biowaste, sludge and waste - Digestion with a hydrochloric (HCl), nitric (HNO₃) and tetrafluoroboric (HBF₄) or hydrofluoric (HF) acid mixture for subsequent determination of elements; German version EN 13656:2020
Edition 2021-07

Fire detection and fire alarm systems - Part 4: Power supply equipment; German version EN 54-4:1997
Edition 1997-12

Fire detection and fire alarm systems - Part 4: Power supply equipment; German version EN 54-4:1997/A2:2006
Edition 2007-01

Unfired pressure vessels - Part 4: Fabrication; German version EN 13445-4:2021+A1:2023
Edition 2024-03