DIN 2001-1-2007 小型装置和非固定设备的饮用水供给.第1部分:小型装置.饮用水、规划、建设、运转和设备维护用指南.德国水气专业协会(DVGW)的技术规则
Drinking water supply from small units and non stationary plants - Part 1: Small units - Guidelines for drinking water, planning, construction, operation and maintenance of plants; Technical rule of the DVGW