Pressure resistant oblong sight glasses of borosilicate glass without limitation in the range of low temperature
Edition 1999-05

Anodizing of aluminium and its alloys - Determination of thickness of anodic oxidation coatings - Non-destructive measurement by split-beam microscope (ISO 2128:2010); German version EN ISO 2128:2010
Edition 2010-12

German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production and oxygen consumption in an aquatic environment (SPG and SVG) by means of the light and dark bottle method (L 13) (determination of biogenic aeration rate)
Edition 1983-09

Industrial valves - Protective caps for valves with flanged connections; German version EN 12351:2010
Edition 2010-08

Design rules for stamped steel parts
Edition 2011-10

Catheters other than intravascular catheters - Test methods for common properties; German version EN 1618:1997
Edition 1997-04

Static gaskets for flange connections - Gaskets made from sheets - Part 3: Chemical resistance test procedures
Edition 2014-11

Textiles - Knitted fabrics - Determination of number of stitches per unit length and unit area; German version EN 14971:2006
Edition 2006-04

Machinery for forestry - Operator protective structures - Laboratory tests and performance requirements (ISO 8084:2003 + Amd.1:2015)
Edition 2017-05

Metallic industrial piping - Part 4: Fabrication and installation; German version EN 13480-4:2017/A1:2023
Edition 2024-06