DIN 19658-3-2016 灌溉系统用可盘绕聚乙烯(PE)管和软管.带织物内层的非刚性材料软管.第3部分:尺寸和供货技术条件
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