Measurement of quartz crystal unit parameters - Part 9: Measurement of spurious resonances of piezoelectric crystal units (IEC 60444-9:2007); German version EN 60444-9:2007
Edition 2007-12

Optical amplifiers - Test methods - Part 5-2: Reflectance parameters - Electrical spectrum analyser method (IEC 61290-5-2:2003); German version EN 61290-5-2:2004
Edition 2004-12

Measurement of quartz crystal unit parameters by zero phase technique in a pi-network - Part 4: Method for the measurement of the load resonance frequency fL, load resonance resistance RL and the calculation of other derived values of quartz crystal units, up to 30 MHz (IEC 60444-4:1988); German version EN 60444-4:1997
Edition 1997-10

Optical fibre amplifiers - Basic specification - Part 6-1: Test methods for pump leakage parameters; optical demultiplexer (IEC 61290-6-1:1998); German version EN 61290-6-1:1998
Edition 1999-08

Advanced technical ceramics - Terms, definitions and abbreviations; Trilingual version EN 14232:2009
Edition 2010-02

Document kinds for Electrical and Instrumentation Projects in the Process Industry (IEC 62708:2015); German version EN 62708:2015
Edition 2015-10

National Annex - Nationally determined parameters - Eurocode 2: Design of concrete structures - Part 1-1: General rules and rules for buildings
Edition 2013-04

Computation of waveform Parameter uncertainties (IEC 62754:2017); German version EN 62754:2017
Edition 2018-11

Footwear - Vocabulary (ISO 19952:2005); Trilingual version EN ISO 19952:2005
Edition 2005-11

Railway applications - Air conditioning for urban, suburban and regional rolling stock - Comfort parameters and type tests; German and English version prEN 14750:2022
Edition 2022-11