German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 30: Pretreatment, homogenization and aliquotation of non-homogeneous water samples (A 30)
Edition 1998-07

Ergonomics of the physical environment - Assessment of environments by means of an environmental survey involving physical measurements of the environment and subjective responses of people (ISO 28802:2012); German version EN ISO 28802:2012
Edition 2012-06

Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 1: General information, terminology and sample preparation (ISO 21068-1:2024); German version EN ISO 21068-1:2024
Edition 2024-09

Geometrical product specification (GPS) - General tolerances - Tabulated values for geometrical tolerances and tolerances for linear and angular sizes without individual tolerance indication
Edition 2023-04

Rating plates for lifting magnets; marking data
Edition 1985-01

Wastewater treatment plants - Part 11: General data required; German and English version prEN 12255-11:2021
Edition 2021-07

Data sheet specification of fiber optic products - Part 2: Flexible light guides; Text in German and English
Edition 2020-09

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 1: General information and sample preparation (ISO 21068-1:2008); German version EN ISO 21068-1:2008
Edition 2008-12

Data sheet specification of fibre optic products - Part 3: Flexible image guides; Text in German and English
Edition 2021-09

Ships and marine technology - Graphical symbols for technical documentation - Part 1: Generalities and types of actuation; Text in German and English
Edition 2017-05