DIN EN 12050-3 E:2012-10 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（草案）
Wastewater lifting plants for buildings and sites - Principles of construction and testing - Part 3: Lifting plants for wastewater containing faecal matter for limited application
