DIN EN 15848:2010 建筑物內(nèi)水處理設(shè)備.可調(diào)節(jié)化學(xué)劑量系統(tǒng).性能、安全性和試驗(yàn)要求.德文版本EN 15848-2010
Water conditioning equipment inside buildings - Adjustable chemical dosing systems - Requirements for performance, safety and testing; German version EN 15848:2010