German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of the chemical oxygen demand (COD), ranging from 5 to 50 mg/l (H 44)
Edition 1992-05

Testing of plastics - Determination of gas transmission rate - Part 3: Oxygen-specific carrier gas method for testing of plastic films and plastics mouldings
Edition 1998-07

Sanitary tapware - Low pressure mechanical mixing valves; general technical specification; German version EN 1286:1999
Edition 1999-06

Specification for dedicated liquefied petroleum gas appliances - Absorption refrigerators; German version EN 732:1998
Edition 1999-04

Optics and optical instruments - Accuracy of optical transfer function (OTF) measurement (ISO 11421:1997)
Edition 2010-10

Pumping stations; design, construction and operation
Edition 1992-03

Steel tubes and fittings for onshore and offshore pipelines - External liquid applied epoxy and epoxy-modified coatings; German version EN 10289:2002
Edition 2004-08

Firefighting equipment - Explosion-proof portable transfer pump for dangerous fluids, with electric motor - Requirements, testing
Edition 2013-12

Protective clothing - Garments for protection against cool environments; German version EN 14058:2017+A1:2023
Edition 2023-07

Aesthetic medicine services - Non-surgical medical treatments; German version EN 16844:2017+A2:2019
Edition 2019-10