Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 5: Isothermal method for nitrogen, carbon dioxide, C₁ to C₅ hydrocarbons and C₆₊ hydrocarbons (ISO 6974-5:2014); German version EN ISO 6974-5:2014
Edition 2014-10

ISO general purpose metric screw threads - Part 7: Nominal sizes for 2 mm fine pitch threads; nominal diameter from 17 mm to 300 mm
Edition 1999-11

Aerospace series - Connectors, electrical, rectangular, modular - Operating temperature 175 °C continuous - Part 001: Technical specification; German and English version prEN 4165-001:2025
Edition 2025-10

Flange joints for process vessels - Part 2: Limit deviations for flanges
Edition 2013-09

Chemical disinfectants - Quantitative suspension test for the evaluation of virucidal activity against bacteriophages of chemical disinfectants used in food and industrial areas - Test method and requirements (phase 2, step 1); German version EN 13610:2002
Edition 2003-06

Mine plans - Stratigraphy - Part 2: Regional and local subdivisions - Hard coal
Edition 2008-12

Chemical disinfectants and antiseptics - Hygienic handrub - Test method and requirements (phase 2/step 2); German version EN 1500:2013
Edition 2017-10

Medical electron accelerators - Part 2: Structural requirements for radiation protection and requirements for testing of approval conditions for operation
Edition 2021-06

German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of oxygen consumption rate (S 6)
Edition 1986-04

Hydraulic fluid power - Dimensions and identification code for mounting flanges and shaft ends of displacement pumps and motors - Part 2: Metric series (ISO 3019-2:2001)
Edition 2004-02