Circuit boards and circuit board assemblies - Design and use - Part 6-3: Land pattern design - Description of land pattern for through hole components (THT) (IEC 91/1700/CD:2021); Text in German and English

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-33: Tests - Assembly and disassembly of fibre optic mechanical splices, fibre management systems and protective housings (IEC 86B/4528/CD:2021); Text in German and English

Fire detection and fire alarm systems - Part 14: Guidelines for planning, design, installation, commissioning, use and maintenance

Fixed firefighting systems - Automatic sprinkler systems - Design, assembly, installation and commissioning of pump sets

Surface chemical analysis - Sample handling, preparation and mounting - Part 1: Documenting and reporting the handling of specimens prior to analysis

Ship and marine technology - Instructions for the manufacture and installation of scaffolding for ships and marine plants

Space systems - Safety requirements - Part 4: Spacecraft assembly, integration, and test

Surface chemical analysis - Sample handling, preparation and mounting - Part 2: Documenting and reporting the preparation and mounting of specimens for analysis

Aerospace fluid systems - Clamp blocks for tube lines having axial alignment - Design requirements and qualification testing (metric series)

Electrical connectors and plug-and-socket devices - Connectors with bayonet coupling, pressure-water tight, up to 245 A - Part 2: Mounting, detail standard; Text in German and English