Pipes and fittings for subsoil drainage of trafficked areas and underground engineering - Part 3: Pipes and fittings made from concrete and their joints
国外标准现行
标准号:DIN 4262-3-2010
标准名称: 高速公路和土木工程用混凝土排水管和多用连管.第3部分:混凝土制管道和配件及其接头
英文名称:Pipes and fittings for subsoil drainage of trafficked areas and underground engineering - Part 3: Pipes and fittings made from concrete and their joints