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Low-voltage surge protective devices - Part 03: SPD testing guide

Nanotechnologies - Characteristics of working suspensions of nano-objects for in vitro assays to evaluate inherent nano-object toxicity (ISO 19337:2023); German and English version prEN ISO 19337:2024

Nanotechnologies - Characteristics of working suspensions of nano-objects for in vitro assays to evaluate inherent nano-object toxicity (ISO 19337:2023)

Plastics - Methods of exposure to laboratory light sources - Part 1: General guidance and requirements (ISO/FDIS 4892-1:2024); German version FprEN ISO 4892-1:2024

Water quality - Method for assessment of fish damage in pumps and turbines used in pumping stations and hydropower plants; German and English version prEN 18110:2024

Plastics - Methods of exposure to laboratory light sources - Part 1: General guidance (ISO/DIS 4892-1:2023)

Methods of testing cement - Part 2: Chemical analysis of cement; German and English version prEN 196-2:2024

Testing of welded joints of thermoplastics semi-finished products - Part 5: Macroscopic examination; German and English version prEN 12814-5:2024

Testing of welded joints of thermoplastics semi-finished products - Part 5: Macroscopic examination

Railway applications - Infrastructure - Determination of laboratory test parameters for assessing the mechanical durability of rail fastening systems - Complementary element

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