DIN EN 12050-3:2001 建筑物和施工场地废水提升装置.制造和试验原理.第3部分:限制使用的含粪便废水提升装置
Wastewater lifting plants for buildings and sites - Principles of construction and testing - Part 3: Lifting plants for wastewater containing faecal matter for limited application; German version EN 12050-3:2000