Fibre optic interconnecting devices and passive components - Performance standard - Part 031-3: Non-connectorized single-mode 1xN and 2xN non-wavelength-selective branching devices for Category U - Uncontrolled environment (IEC 61753-031-3:2014); German version EN 61753-031-3:2015
Edition 2015-09

Fibre optic interconnecting devices and passive components - Performance standard - Part 031-6: Non-connectorized single-mode 1xN and 2xN non-wavelengthselective branching devices for Category O - Uncontrolled environment (IEC 61753-031-6:2014); German version EN 61753-031-6:2014
Edition 2015-07

Fibre optic interconnecting devices and passive components - Performance standard - Part 031-2: Non-connectorized single-mode 1×N and 2×N non-wavelength-selective branching devices for Category C - Controlled environment (IEC 61753-031-2:2014); German version EN 61753-031-2:2014
Edition 2015-07

Terms and definitions of nuclear technology, only on CD-ROM
Edition 2015-04

Non-destructive testing - Eddy current testing for testing of heat exchanger tubes from the inside - Part 1: General principles
Edition 2023-12

Printed boards and printed board assemblies - Design and use - Part 1-2: Generic requirements; controlled impedance (IEC 61188-1-2:1998); German version EN 61188-1-2:1998
Edition 1999-03

Piezoelectric filters of assessed quality - Part 1: Generic specification (IEC 60368-1:2000 + A1:2004); German version EN 60368-1:2000 + A1:2004
Edition 2005-04

Guide to the measurement of equivalent electrical parameters of quartz crystal units; identical with IEC 61080:1991
Edition 1993-02

Semiconductor devices - Part 16-1: Microwave integrated circuits - Amplifiers (IEC 60747-16-1:2001 - A1:2007 - A2:2017); German version EN 60747-16-1:2002 + A1:2007 + A2:2017
Edition 2017-10

Green tea - Vocabulary (ISO 18449:2021)
Edition 2022-11