Sound insulation in buildings - Part 31: Data for verification of sound insulation (component catalogue) - Framework document

Electronic Public Procurement - Pre-Award - Part 3-1: Syntax Binding, UBL

Rotating electrical machines - Part 31: Selection of energy-efficient motors including variable speed applications - Application guidelines (IEC/TS 60034-31:2021); German version CLC IEC/TS 60034-31:2024

Collection, logistics & treatment requirements for WEEE - Part 3-1: Specification for de-pollution - General

Safety rules for the construction and installation of lifts - Lifts for the transport of goods only - Part 31: Accessible goods only lifts; German version EN 81-31:2024

Cranes - General design - Part 3-1: Limit states and proof competence of steel structure; German version FprEN 13001-3-1:2024

Railway applications - Electromagnetic compatibility - Part 3-1: Rolling stock - Train and complete vehicle; German version prEN 50121-3-1:2021

Railway applications - Fixed installations - Particular requirements for a.c. switchgear - Part 3-1: Measurement, control and protection devices for specific use in a.c. traction systems - Devices

Fibre management systems and protective housings to be used in optical fibre communication systems - Product specifications - Part 3-1: Fibre management system, splice wall box, for category C & G; German and English version prEN 50411-3-1:2021

Information technology - Data centre facilities and infrastructures - Part 3-1: Management and operational information