Wastewater treatment plants - Part 13: Chemical treatment; Treatment of wastewater by precipitation/flocculation; German version EN 12255-13:2002
Edition 2003-04

Gas-loaded accumulators for fluid power applications; German version EN 14359:2017
Edition 2017-09

Acoustics - Recommended practice for the design of low-noise machinery and equipment - Part 1: Planning (ISO/TR 11688-1:1995); German version EN ISO 11688-1:2009
Edition 2009-11

Aerospace; mass breakdown for aircraft heavier than air; group mass statement
Edition 1983-10

Interference fits - Part 1: Calculation and design rules for cylindrical self-locking pressfits
Edition 2017-02

Application of Markov techniques (IEC 61165:2006); German version EN 61165:2006
Edition 2007-02

Metallic industrial piping - Part 3: Design and calculation; German version EN 13480-3:2017/A1:2021
Edition 2021-05

Water quality - Determination of the methylene blue active substances (MBAS) index - Method using continuous flow analysis (CFA) (ISO 16265:2009); German version EN ISO 16265:2012
Edition 2012-05

Preferred numbers and series of preferred numbers - Introduction
Edition 1974-11

Calculation of load capacity of cylindrical gears; application standard for industrial gears; detailed method
Edition 1989-02