Microbiology of the food chain - Horizontal method for the enumeration of microorganisms - Part 2: Colony count at 30 °C by the surface plating technique (ISO 4833-2:2013 + Cor. 1:2014 + Amd 1:2022); German version EN ISO 4833-2:2013 + AC:2014 + A1:2022
Edition 2022-05

Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment; German version EN 14996:2006
Edition 2006-08

Non-destructive Testing - Testing of laser-beam welded joints using active thermography
Edition 2022-09

Liquid crystal display devices - Part 5-2: Environmental, endurance and mechanical test methods - Visual inspection of active matrix colour liquid crystal display modules (IEC 61747-5-2:2011); German version EN 61747-5-2:2011
Edition 2012-01

Fire behaviour of building materials and elements; fire resistant glazing; concepts, requirements and testing
Edition 1990-05

Identification card systems - Telecommunications integrated circuit(s) cards and terminals - Part 3: Application independent card requirements; German version EN 726-3:1995
Edition 1995-11

Laser beam removing - Thermal removing with laser beam - Terms and definitions, influence factors, procedure
Edition 2012-08

Aerospace; screws of steel for non-structural components, M 3 and M 4, technical specification
Edition 1980-12

Wastewater treatment plants - Mineral filter media and plastic media for percolating filters - Requirements, testing, delivery, placing
Edition 2004-01

Flame cleaning of steel and concrete surfaces
Edition 2013-06