Hollow metallic waveguides - Part 2: Relevant specifications for ordinary rectangular waveguides (IEC 60153-2:2016); German version EN 60153-2:2016
Edition 2017-02

Expression of performance of electrochemical analyzers - Part 2: pH-value (IEC 60746-2:2003 + Corrigendum 2003); German version EN 60746-2:2003
Edition 2003-09

Methods of measurement for equipment used in digital microwave radio transmission systems - Part 2: Measurements on terrestrial radio-relay-systems; section 4: Transmitter/receiver including modulator/demodulator (IEC 60835-2-4:1993); German version EN 60835-2-4:1995
Edition 1995-06

Small craft - Hull construction and scantlings - Part 4: Workshop and manufacturing (ISO 12215-4:2002); German version EN ISO 12215-4:2018
Edition 2019-04

Workplace exposure - Assessment of sampler performance for measurement of airborne particle concentrations - Part 4: Laboratory performance test based on comparison of concentrations; German version EN 13205-4:2014
Edition 2014-09

Gas infrastructure - Underground gas storage - Part 4: Functional recommendations for storage in rock caverns; German version EN 1918-4:2016
Edition 2016-11

Petroleum, petrochemical and natural gas industries - Axial and centrifugal compressors and expander-compressors - Part 4: Expander-compressors (ISO 10439-4:2015); English version EN ISO 10439-4:2015
Edition 2015-05

Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 2: Single layer fusion-bonded epoxy coatings (ISO 21809-2:2014); English version EN ISO 21809-2:2014
Edition 2015-03

Road vehicles - Standardized access to automotive repair and maintenance information (RMI) - Part 4: Conformance test (ISO 18541-4:2021); German version EN ISO 18541-4:2021
Edition 2021-10

Glass - Viscosity and viscometric fixed points - Part 2: Determination of viscosity by rotation viscometers (ISO 7884-2:1987)
Edition 1998-02