Industrial networks - Single-drop digital communication interface - Part 2: Functional safety extensions (IEC 61139-2:2022); English version EN IEC 61139-2:2022

Chemical disinfectants and antiseptics - Quantitative test method for the evaluation of bactericidal and yeasticidal and/or fungicidal and/or tuberculocidal and/or mycobactericidal activity on non-porous surfaces with mechanical action employing wipes or mops in the medical area (4- field test) - Test method and requirements (phase 2, step 2)

Aerospace series - Quality management systems - Variation management of key characteristics; German and English version prEN 9103:2022

Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation

Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements, definitions, classification and selection criteria

Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements, definitions, classification and selection criteria

Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation

Refrigerating systems and heat pumps - Safety and environmental requirements - Part 3: Installation site and personal protection

Refrigerating systems and heat pumps - Safety and environmental requirements - Part 3: Installation site and personal protection

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