BS EN 60947-4-1. Low-voltage switchgear and controlgear. Part 4-1. Contactors and motor-starters. Electromechanical contactors and motor-starters
Edition 2022-03-04

BS EN 62841-4-1:2020/AB Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery. Safety. Part 4-1. Particular requirements for chain saws
Edition 2023-01-06

BS ISO/IEC 15045-4-1. Information Technology. Home Electronic System (HES) gateway. Part 4-1. Structural classes
Edition 2023-03-01

BS EN IEC 63510-4-1. Household appliances network and grid connectivity. Part 4-1. Communication Protocol Specific Aspects: SPINE, SPINE-IoT and SHIP (fast track)
Edition 2023-08-24

EN 1993-4-1 Eurocode 3. Design of steel structures. Part 4-1: Silos
Edition 2024-03-14

BS EN IEC 61987-41 IEC 61987. Part 41: Generic structures of List of Properties (LOP) of Process Analyzer Technology (PAT) measuring devices for electronic data exchange
Edition 2024-02-23

REFRACTORY MATERIALS. GENERAL CHARACTERISTICS OF ALUMINA REFRACTORIES. REFRACTORIES OF 41 TO 43 % OF ALUMINA
Edition 1975-03-15

REFRACTORY MATERIALS. GENERAL CHARACTERISTICS OF ALUMINA REFRACTION. REFRACTORY OF 39 TO 41 % ALUMINA
Edition 1975-03-15

Road equipment. Data capture stations. Part 4-1: Test methods. Instantaneous data
Edition 2007-02-07

Rotating electrical machines - Part 4-1: Methods for determining electrically excited synchronous machine quantities from tests (Endorsed by Asociación Española de Normalización in October of 2018.)
Edition 2018-10-01