Laser modules used for telecommunication - Reliability assessment (IEC 61751:1998); German version EN 61751:1998
Edition 1998-11

Concept for the design of 3D models based on properties according to DIN 4000 - Part 190: Clamping devices
Edition 2020-07

Workplace exposure - Guide for the use of direct-reading instruments for aerosol monitoring - Part 2: Evaluation of airborne particle concentrations using Optical Particle Counters
Edition 2014-02

Guidelines for the establishment and development of thesauri; monolingual thesauri
Edition 1987-11

Live working - Insulating hollow tubes for electrical purposes (IEC 61235:1993, modified); German version EN 61235:1995
Edition 1997-07

Acceptance conditions for gear hobbing machines - Testing of the accuracy (ISO 6545:1992)
Edition 1997-09

Plain bearings; hydrostatic plain journal bearings under steady-state conditions; calculation of oil-lubricated plain bearings with drainage grooves
Edition 1991-06

Plain bearings; hydrostatic plain journal bearings under steady-state conditions; calculation of oil-lubricated plain bearings without drainage grooves
Edition 1991-06

Projection of still pictures and motion-pictures; light measurements of projection systems with projector and separate projection screen
Edition 1993-12

Transitions, pulses and related waveforms - Terms, definitions and algorithms (IEC 60469:2013); German version EN 60469:2013
Edition 2014-02