Piezoelectric ceramic resonators - A specification in the IEC quality assessment system for electronic components (IECQ) - Part 2: Sectional specification; qualification approval; identical with IEC 61253-2:1993
Edition 1994-12

Petroleum and related products - Determination of emulsion stability of fire-resistant fluids - Part 2: Fluids in category HFB (ISO 20783-2:2003); German version EN ISO 20783-2:2003
Edition 2004-05

Fire-fighting pumps - Fire-fighting centrifugal pumps without primer - Part 2: Verification of general and safety requirements; German version EN 14710-2:2005+A2:2008
Edition 2009-06

Plastics - Ethylene/vinyl alcohol (EVOH) copolymer moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 21309-2:2019); German version EN ISO 21309-2:2019
Edition 2019-06

Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 2: Designation and specification of resistance to chemical attack and thermal shock (ISO 28721-2:2015); German version EN ISO 28721-2:2015
Edition 2016-06

Electroacoustics - Simulators of human head and ear - Part 4: Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts (IEC 60318-4:2010); German version EN 60318-4:2010
Edition 2010-12

Transformers and inductors for use in electronic and telecommunication equipment - Part 4: Sectional specification for power transformers for switched mode power supplies (SMPS) on the basis of the capability approval procedure (IEC 61248-4:1996); German version EN 61248-4:1997
Edition 1998-05

Shell boilers - Part 2: Materials for pressure parts of boilers and accessories; German version EN 12953-2:2012
Edition 2012-05

Geometrical product specifications (GPS) - Straightness - Part 2: Specification operators (ISO 12780-2:2011); German version EN ISO 12780-2:2011
Edition 2011-07

Geometrical product specifications (GPS) - Wedges - Part 2: Dimensioning and tolerancing (ISO 2538-2:2014); German version EN ISO 2538-2:2014
Edition 2015-01