DIN EN 14812:2006
建筑物內水調節設備.化學藥品劑量.預調劑量系統.性能要求、安全和試驗.德文版本EN 14812-2005
Water conditioning equipment inside buildings - Chemical dosing systems - Pre-set dosing systems - Requirements for performance, safety and testing; English version of DIN EN 14812:2006-02