Activities relating to drinking water and wastewater services - Guidelines for the management of wastewater utilities and for the assessment of wastewater services
国外标准现行
标准号:DIN SPEC 19756-2012
标准名称: 饮用水和废水服务设施的相关工作.废水的使用管理和废水的服务设施指南
英文名称:Activities relating to drinking water and wastewater services - Guidelines for the management of wastewater utilities and for the assessment of wastewater services