Aerospace series - Bolts, large bihexagonal head, close tolerance normal shank, medium length thread, in heat resisting nickel base alloy, passivated - Classification: 1550 MPa (at ambient temperature)/315 °C; German version EN 2874:1996
Edition 1996-09

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

Assembling dimensions of flanges for fittings for refrigerating installations up to nominal pressure 25
Edition 1965-05

Railway applications - Classification of rail vehicles - Survey, terminology, definitions
Edition 2001-09

Railway applications - Adhesive bonding of rail vehicles and their components; German version EN 17460:2022
Edition 2022-10

Footwear - Vocabulary (ISO 19952:2005); Trilingual version EN ISO 19952:2005
Edition 2005-11

Adhesives - Guidelines for the fabrication of adhesively bonded structures and reporting procedures suitable for the risk evaluation of such structures (ISO 21368:2022); German and English version prEN ISO 21368:2023
Edition 2023-05