Vacuum technology; terms and definitions, vacuum pumps
Edition 1980-10

Low-voltage electrical installations - Part 5-557: Selection and erection of electrical equipment - Auxiliary circuits (IEC 60364-5-55:2011/A1:2012 (Clause 557)); German implementation HD 60364-5-557:2013
Edition 2014-10

Electrical installations of buildings - Part 5-55: Selection and erection of electrical equipment - Other equipment - Clause 551: Low-voltage generating sets (IEC 64/2253/CD:2017); Text in German and English
Edition 2018-12

Low-voltage electrical installations - Part 5-55: Selection and erection of electrical equipment - Other equipment - Clause 551: Low-voltage generating sets (IEC 60364-5-55:2001/A2:2008 (Clause 551)); German implementation of HD 60364-5-551:2010 + Cor.:2010 + A11:2016
Edition 2017-02

Low-voltage electrical installations - Part 5-559: Selection and erection of electrical equipment - Luminaires and lighting installations (IEC 60364-5-55:2011 (Clause 559), modified); German implementation HD 60364-5-559:2012
Edition 2014-02

Jet pumps (ejectors); denomination of parts
Edition 1974-04

Measurement of gas flow by means of critical flow nozzles (ISO 9300:2022); German version EN ISO 9300:2022
Edition 2023-11

Ships manoeuvring systems - Terms and definitions
Edition 2001-10

Devices for the disinfection of water using ultraviolet radiation - Part 3: Reference radiometers for devices equipped with UV low pressure lamps - Requirements and testing
Edition 2020-08

Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 3: Nozzles and Venturi nozzles (ISO 5167-3:2022); German version EN ISO 5167-3:2022
Edition 2023-08