Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values (IEC 60689:2008); German version EN 60689:2009
Edition 2009-08

Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values (IEC 60689:2008) (german version)
Edition 2009-10-01

Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values
Edition 2009-03

Anaesthetic and respiratory equipment - Voice prostheses (ISO 21917:2021); German version EN ISO 21917:2022
Edition 2023-02

Digital Enhanced Cordless Telecommunications (DECT) - Test specification - Part 2: Audio and speech (Endorsement of the English version EN 300 176-2 V2.4.1 (2022-05) as a German standard)
Edition 2022-11

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 1: General network design (Endorsement of the English version EN 300 392-1 V1.6.1 (2020-04) as a German standard)
Edition 2020-07

Standard colours for insulation for low-frequency cables and wires; identical with IEC 60304, edition 1982
Edition 1987-01

Electric traction; traction motors and auxiliary machines; definition of frontsides and direction of rotation
Edition 1984-01

Graphic technology - Prepress printing process - Part 1: Correction marks for images and additional marking
Edition 1996-11

Determination of the hardness of butter
Edition 1996-03