Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-29: Examinations and measurements - Spectral transfer characteristics of DWDM devices (IEC 61300-3-29:2014); German version EN 61300-3-29:2014
Edition 2015-02

Methods of measurement on radio receivers for various classes of emission; Part 1: general considerations and methods of measurement; including audiofrequency measurements (identical with IEC 60315-1:1988); german version HD 560.1 S1:1990
Edition 1991-07

Measurement of quartz crystal unit parameters - Part 5: Methods for the determination of equivalent electrical parameters using automatic network analyser techniques and error correction (IEC 60444-5:1995); German version EN 60444-5:1997
Edition 1997-10

Concepts, abbreviations and symbols in geodesy - Part 4: Adjustment of observations and statistics
Edition 2010-09

German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 13: Design and performance of the sampling of groundwater (A 13)
Edition 2021-12

Inserted blade face milling cutters for milling machine arbors according to DIN 6361 and DIN 6362
Edition 1974-06

Facility Management - Part 8: Principles and processes; German and English version prEN 15221-8:2023
Edition 2023-09

Fire detection and fire alarm systems - Part 1: Design and operation
Edition 2020-01

Drinking water supply from small units and non stationary plants - Part 1: Small units - Guidelines for requirements for drinking water, planning, construction, operation and maintenance of plants
Edition 2019-01

Unfired pressure vessels - Part 5: Inspection and testing; German version EN 13445-5:2021
Edition 2021-12