Coverings for wells, spring water chambers and other water supply construction - Principles for construction
Edition 2018-04

Photometry - Part 9: Measurement of the photometric quantities of incoherent emitting semiconductor light sources
Edition 2015-01

Colorimetry; measuring conditions for light sources
Edition 1982-04

Colour rendering; colour rendering properties of light sources in the field of lighting
Edition 1976-02

Recording in medical application of ionizing radiation - Part 3: Brachytherapy with enclosed radiation sources
Edition 2021-09

Technical requirements and verification for clocks and clockmovements with electrical energy source; frequency of resonator ≤ 1000 Hz, terms of delivery for clock movements
Edition 1977-03

Hydraulically operated rescue apparatus for fire brigade use - Part 4: Double acting hydraulic rescue tools with integrated pump and/or power source
Edition 2011-04

German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of water from mineral springs and spas (A 18)
Edition 1991-05

Viscometry - Measurement of kinematic viscosity by means of the Ubbelohde viscometer - Part 2: Sources of errors and corrections
Edition 2023-07

Measurement of fiber optic elements - Part 10: Determination of illuminance and effective aperture angle of cold light sources; Text in German and English
Edition 2011-09