Glass in building - Special basic products - Borosilicate float glass - Part 1-1: Definitions and general physical and mechanical properties; German and English version prEN 1748-1-1:2017

Glass in building - Special basic products - Borosilicate float glass - Part 1-2: Product standard; German and English version prEN 1748-1-2:2017

Glass in building - Special basic products - Glass ceramics - Part 2-1: Definitions and general physical and mechanical properties; German and English version prEN 1748-2-1:2017

Glass in building - Special basic products - Glass ceramics - Part 2-2: Product standard; German and English version prEN 1748-2-2:2017

Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 3: Copper alloy flanges; German and English version prEN 1759-3:2021

Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 4: Aluminium alloy flanges; German and English version prEN 1759-4:2021

Rubber hoses and hose assemblies for fuel truck delivery - Specification; German and English version prEN 1761:2024

Gas infrastructure - Gas measuring systems - Functional requirements; German and English version prEN 1776:2024

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions; German and English version prEN 1793-1:2023

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions; German and English version prEN 1793-2:2023