Aerospace series; textile glass fibre preimpregnates; test method for the determination of the resin and fibre content and mass of fibre per unit area; german version EN 2331:1993
Edition 1993-04

Measurement of the Electrical Properties of Microwave Tubes; Part 6: High Power Clystrons
Edition 1978-02

Technical specifications for centrifugal pumps - Class I (ISO 9905:1994)
Edition 1997-03

Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free and surface silica (ISO/DIS 21068-2:2023); German and English version prEN ISO 21068-2:2023
Edition 2023-07

Shell boilers - Part 6: Requirements for equipment for the boiler; German and English version prEN 12953-6:2023
Edition 2023-07

Shell boilers - Part 6: Requirements for equipment for the boiler; German version EN 12953-6:2011
Edition 2011-05

Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 7: Assessment of conformity (ISO/TS 16486-7:2023); German version CEN ISO/TS 16486-7:2023
Edition 2023-12