Polyethylene (PE) coiling pipes and hoses for use in irrigation systems; hoses of nonrigid material with woven fabric inner layer; dimensions and technical delivery conditions
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/1988

Polyethylene (PE) coiling pipes and hoses for use in irrigation systems – Hoses of nonrigid material with woven fabric inner layer – Part 3: Dimensions and technical delivery conditions
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/2016